You're in Fish Supplies

Need a Personal Shopper?

Subscribe to
Bizrate emails for the hottest
deals & products
,
PLUS a chance to

WIN $25

sign me up!

New winners chosen weekly.
No purchase necessary.

Best Seller
Penn Plax Cascade Aquarium Canister Filters Cascade 500 Aquarium Canister Filter – 115 Gallons Per Hour Aquarium Accessory Acrylic (shatterproof w/ great clarity) | Wayfair

Penn Plax Cascade Aquarium Canister Filters Cascade 500 Aquarium Canister Filter – 115 Gallons Per Hour Aquarium Accessory Acrylic (shatterproof w/ great clarity) | Wayfair

Without effort, the Cascade 500 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 115 Gallons per Hour, and is recommended for aquariums up to 30 gallons. It’s compatible for both freshwater and... ... more

Penn Plax Cascade Aquarium Canister Filters Cascade 500 Aquarium Canister Filter – 115 Gallons Per Hour Aquarium Accessory Acrylic (shatterproof w/ great clarity) | Wayfair

Without effort, the Cascade 500 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 115 Gallons per Hour, and is recommended for aquariums up to 30 gallons. It’s compatible for both freshwater and...

Wayfair

$127.02

FREE shipping

go to store
Penn Plax Cascade Aquarium Canister Filters Cascade 700 Aquarium Canister Filter – 185 Gallons Per Hour Aquarium Accessory Acrylic (shatterproof w/ great clarity) | Wayfair

Penn Plax Cascade Aquarium Canister Filters Cascade 700 Aquarium Canister Filter – 185 Gallons Per Hour Aquarium Accessory Acrylic (shatterproof w/ great clarity) | Wayfair

Without effort, the Cascade 700 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 185 Gallons per Hour, and is recommended for aquariums up to 65 gallons. It’s compatible for both freshwater and... ... more

Penn Plax Cascade Aquarium Canister Filters Cascade 700 Aquarium Canister Filter – 185 Gallons Per Hour Aquarium Accessory Acrylic (shatterproof w/ great clarity) | Wayfair

Without effort, the Cascade 700 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 185 Gallons per Hour, and is recommended for aquariums up to 65 gallons. It’s compatible for both freshwater and...

Wayfair

$142.60

FREE shipping

go to store
Best Seller
Quietflow Canister Filter, 300 gph., 300 GAL

Quietflow Canister Filter, 300 gph., 300 GAL

You love your fish, but hate cleaning their tank? Say hello to your new best friend - the Aqueon QuietFlow Canister Filter! This bad boy is designed for both freshwater and saltwater aquariums, and comes preloaded with all the bells and whistles needed... ... more

Quietflow Canister Filter, 300 gph., 300 GAL

You love your fish, but hate cleaning their tank? Say hello to your new best friend - the Aqueon QuietFlow Canister Filter! This bad boy is designed for both freshwater and saltwater aquariums, and comes preloaded with all the bells and whistles needed...

Petco.com

$167.99

go to store
Quietflow Canister Filter, 300 gph., 300 GAL

Quietflow Canister Filter, 300 gph., 300 GAL

You love your fish, but hate cleaning their tank? Say hello to your new best friend - the Aqueon QuietFlow Canister Filter! This bad boy is designed for both freshwater and saltwater aquariums, and comes preloaded with all the bells and whistles needed... ... more

Quietflow Canister Filter, 300 gph., 300 GAL

You love your fish, but hate cleaning their tank? Say hello to your new best friend - the Aqueon QuietFlow Canister Filter! This bad boy is designed for both freshwater and saltwater aquariums, and comes preloaded with all the bells and whistles needed...

Petco.com

$164.95

go to store
Quietflow Canister Filter, 400 gph., 400 GAL

Quietflow Canister Filter, 400 gph., 400 GAL

Today we're introducing the ultimate aquarium game-changer - the Aqueon QuietFlow Canister Filter! Whether you're a freshwater fanatic or a saltwater superstar, this filter is your new best friend. With its preloaded biological, chemical, and... ... more

Quietflow Canister Filter, 400 gph., 400 GAL

Today we're introducing the ultimate aquarium game-changer - the Aqueon QuietFlow Canister Filter! Whether you're a freshwater fanatic or a saltwater superstar, this filter is your new best friend. With its preloaded biological, chemical, and...

Petco.com

$199.95

go to store
Penn Plax Cascade Max Flow Aquarium Canister Filter Acrylic (shatterproof w/ great clarity) in White | 23.6 H x 16.6 W x 15 D in | Wayfair CMF1

Penn Plax Cascade Max Flow Aquarium Canister Filter Acrylic (shatterproof w/ great clarity) in White | 23.6 H x 16.6 W x 15 D in | Wayfair CMF1

Without effort the Cascade Max Flow Canister Filter runs at a stunning 820 Gallons per Hour, and is purposely designed for larger aquariums, ranging from 164 to 273 gallons. Though, optimal size is 205 gallons. It’s compatible for both freshwater and... ... more

Penn Plax Cascade Max Flow Aquarium Canister Filter Acrylic (shatterproof w/ great clarity) in White | 23.6 H x 16.6 W x 15 D in | Wayfair CMF1

Without effort the Cascade Max Flow Canister Filter runs at a stunning 820 Gallons per Hour, and is purposely designed for larger aquariums, ranging from 164 to 273 gallons. Though, optimal size is 205 gallons. It’s compatible for both freshwater and...

Wayfair

$265.45

FREE shipping

go to store
Quietflow Canister Filter, 400 gph., 400 GAL

Quietflow Canister Filter, 400 gph., 400 GAL

Today we're introducing the ultimate aquarium game-changer - the Aqueon QuietFlow Canister Filter! Whether you're a freshwater fanatic or a saltwater superstar, this filter is your new best friend. With its preloaded biological, chemical, and... ... more

Quietflow Canister Filter, 400 gph., 400 GAL

Today we're introducing the ultimate aquarium game-changer - the Aqueon QuietFlow Canister Filter! Whether you're a freshwater fanatic or a saltwater superstar, this filter is your new best friend. With its preloaded biological, chemical, and...

Petco.com

$199.95

go to store
UVC In-Line Clarifier

UVC In-Line Clarifier

It's time to say goodbye to murky and green aquarium water, thanks to the Fluval UVC In-Line Clarifier! This bad boy is so easy to connect to most canister filter setups, you'll be done faster than your fish can swim a lap. Say hello to crystal-clear... ... more

UVC In-Line Clarifier

It's time to say goodbye to murky and green aquarium water, thanks to the Fluval UVC In-Line Clarifier! This bad boy is so easy to connect to most canister filter setups, you'll be done faster than your fish can swim a lap. Say hello to crystal-clear...

Petco.com

$87.99

go to store
Penn Plax Cascade 1000 Aquarium Canister Filter – 265 Gallons Per Hour, Crystal | 17 H x 11.5 W x 10 D in | Wayfair CCF3UL

Penn Plax Cascade 1000 Aquarium Canister Filter – 265 Gallons Per Hour, Crystal | 17 H x 11.5 W x 10 D in | Wayfair CCF3UL

Without effort, the Cascade 1000 Canister Filter quietly delivers crystal-clear water throughout the tank. This filter cycles water at 265 Gallons per Hour and is recommended for aquariums up to 100 gallons. It’s compatible with both freshwater and... ... more

Penn Plax Cascade 1000 Aquarium Canister Filter – 265 Gallons Per Hour, Crystal | 17 H x 11.5 W x 10 D in | Wayfair CCF3UL

Without effort, the Cascade 1000 Canister Filter quietly delivers crystal-clear water throughout the tank. This filter cycles water at 265 Gallons per Hour and is recommended for aquariums up to 100 gallons. It’s compatible with both freshwater and...

Wayfair

$153.27

FREE shipping

go to store
Cascade Aquarium Canister Filter, 400 GPH, 15.25 LB

Cascade Aquarium Canister Filter, 400 GPH, 15.25 LB

Without effort, the Cascade 1500 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 350 Gallons per Hour, and is recommended for aquariums up to 200 gallons. It's compatible for both freshwater and... ... more

Cascade Aquarium Canister Filter, 400 GPH, 15.25 LB

Without effort, the Cascade 1500 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 350 Gallons per Hour, and is recommended for aquariums up to 200 gallons. It's compatible for both freshwater and...

Petco.com

$194.99

go to store
Cascade 700 Aquarium Canister Filter, 185 GAL

Cascade 700 Aquarium Canister Filter, 185 GAL

Without effort, the Cascade 700 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 185 Gallons per Hour, and is recommended for aquariums up to 65 gallons. It's compatible for both freshwater and... ... more

Cascade 700 Aquarium Canister Filter, 185 GAL

Without effort, the Cascade 700 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 185 Gallons per Hour, and is recommended for aquariums up to 65 gallons. It's compatible for both freshwater and...

Petco.com

$119.99

go to store
Cascade 1000 Aquarium Canister Filter, 265 GAL

Cascade 1000 Aquarium Canister Filter, 265 GAL

Without effort, the Cascade 1000 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 265 Gallons per Hour, and is recommended for aquariums up to 100 gallons. It's compatible for both freshwater and... ... more

Cascade 1000 Aquarium Canister Filter, 265 GAL

Without effort, the Cascade 1000 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 265 Gallons per Hour, and is recommended for aquariums up to 100 gallons. It's compatible for both freshwater and...

Petco.com

$129.99

go to store
Cascade 1200 Aquarium Canister Filter, 15 LB

Cascade 1200 Aquarium Canister Filter, 15 LB

Without effort, the Cascade 1200 Canister Filter quietly delivers crystal clear water throughout the tank.This filter cycles water at 315 Gallons per Hour, and is recommended for aquariums up to 150 gallons. It's compatible for both freshwater and... ... more

Cascade 1200 Aquarium Canister Filter, 15 LB

Without effort, the Cascade 1200 Canister Filter quietly delivers crystal clear water throughout the tank.This filter cycles water at 315 Gallons per Hour, and is recommended for aquariums up to 150 gallons. It's compatible for both freshwater and...

Petco.com

$169.99

go to store
Penn Plax Cascade 1500 Aquarium Canister Filter – 350 Gallons Per Hour (gph), Crystal | 20.5 H x 11.5 W x 12 D in | Wayfair CCF5UL

Penn Plax Cascade 1500 Aquarium Canister Filter – 350 Gallons Per Hour (gph), Crystal | 20.5 H x 11.5 W x 12 D in | Wayfair CCF5UL

Without effort, the Cascade 1500 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 350 Gallons per Hour, and is recommended for aquariums up to 200 gallons. It’s compatible for both freshwater and... ... more

Penn Plax Cascade 1500 Aquarium Canister Filter – 350 Gallons Per Hour (gph), Crystal | 20.5 H x 11.5 W x 12 D in | Wayfair CCF5UL

Without effort, the Cascade 1500 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 350 Gallons per Hour, and is recommended for aquariums up to 200 gallons. It’s compatible for both freshwater and...

Wayfair

$220.20

FREE shipping

go to store
Hang on Back Canister Filter, 3.67 LBS

Hang on Back Canister Filter, 3.67 LBS

Dennerle Hang-on external filter. For up to 30g Aquarium this easy to use and maintain filter will keep your freshwater aquarium crystal clear. 3 stage filtration with Prefilter Sponge, high performance bio-filter and fine filter pad. ... more

Hang on Back Canister Filter, 3.67 LBS

Dennerle Hang-on external filter. For up to 30g Aquarium this easy to use and maintain filter will keep your freshwater aquarium crystal clear. 3 stage filtration with Prefilter Sponge, high performance bio-filter and fine filter pad.

Petco.com

$74.99

go to store
Penn Plax 1200 Canister Filter, Crystal in Blue | 20.5 H x 11.5 W x 11 D in | Wayfair CCF4UL

Penn Plax 1200 Canister Filter, Crystal in Blue | 20.5 H x 11.5 W x 11 D in | Wayfair CCF4UL

Without effort, the 1200 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 315 Gallons per Hour, and is recommended for aquariums up to 150 gallons. It’s compatible for both freshwater and saltwater... ... more

Penn Plax 1200 Canister Filter, Crystal in Blue | 20.5 H x 11.5 W x 11 D in | Wayfair CCF4UL

Without effort, the 1200 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 315 Gallons per Hour, and is recommended for aquariums up to 150 gallons. It’s compatible for both freshwater and saltwater...

Wayfair

$208.84

FREE shipping

go to store
Bio-Foam Inserts, for 104-106 & 204-206 Canister Filters

Bio-Foam Inserts, for 104-106 & 204-206 Canister Filters

Fluval Bio-Foam Inserts combine mechanical and biological filtration to keep your tank's water crystal clear. They are exclusively designed for Fluval canister filters and are perfect for both freshwater and marine environments. These inserts provide a... ... more

Bio-Foam Inserts, for 104-106 & 204-206 Canister Filters

Fluval Bio-Foam Inserts combine mechanical and biological filtration to keep your tank's water crystal clear. They are exclusively designed for Fluval canister filters and are perfect for both freshwater and marine environments. These inserts provide a...

Petco.com

$5.70

go to store
AquaSafe Plus Water Conditioner And Dechlorinator for All Fresh and Marine Aquarium, 33.8 fl. oz., 33.8 FZ

AquaSafe Plus Water Conditioner And Dechlorinator for All Fresh and Marine Aquarium, 33.8 fl. oz., 33.8 FZ

Tetra AquaSafe Plus works instantly to make tap water safe for fish in freshwater and marine aquariums. This BioExtract formula contains natural biopolymers to support the development of beneficial filter bacteria for healthy and clear water. These... ... more

AquaSafe Plus Water Conditioner And Dechlorinator for All Fresh and Marine Aquarium, 33.8 fl. oz., 33.8 FZ

Tetra AquaSafe Plus works instantly to make tap water safe for fish in freshwater and marine aquariums. This BioExtract formula contains natural biopolymers to support the development of beneficial filter bacteria for healthy and clear water. These...

Petco.com

$13.99

go to store
BioMaster Thermo 600 External Filter, 350 GPH, 23 W / 9.4 IN

BioMaster Thermo 600 External Filter, 350 GPH, 23 W / 9.4 IN

The BioMaster Thermo line of premium external filters reduces the amount of additional equipment seen in the aquarium by integrating the heater into the filter unit. Perfect for marine and freshwater aquariums, this filter boasts 4-stage filtration and... ... more

BioMaster Thermo 600 External Filter, 350 GPH, 23 W / 9.4 IN

The BioMaster Thermo line of premium external filters reduces the amount of additional equipment seen in the aquarium by integrating the heater into the filter unit. Perfect for marine and freshwater aquariums, this filter boasts 4-stage filtration and...

Petco.com

$400.99

go to store
FiltoSmart 60 External Filter, 80 GPH, 4 W / 5.9 IN

FiltoSmart 60 External Filter, 80 GPH, 4 W / 5.9 IN

The FiltoSmart line of premium compact external filters is perfect for marine and freshwater aquariums. This filter uses multi-staged mechanical and biological filtration which provides a high surface area for beneficial bacteria to colonize. These... ... more

FiltoSmart 60 External Filter, 80 GPH, 4 W / 5.9 IN

The FiltoSmart line of premium compact external filters is perfect for marine and freshwater aquariums. This filter uses multi-staged mechanical and biological filtration which provides a high surface area for beneficial bacteria to colonize. These...

Petco.com

$74.99

go to store
FiltoSmart 100 External Filter, 160 GPH, 11 W / 8 IN

FiltoSmart 100 External Filter, 160 GPH, 11 W / 8 IN

The FiltoSmart line of premium compact external filters is perfect for marine and freshwater aquariums. This filter uses multi-staged chemical, mechanical and biological filtration which provides an extremely high surface area for beneficial bacteria... ... more

FiltoSmart 100 External Filter, 160 GPH, 11 W / 8 IN

The FiltoSmart line of premium compact external filters is perfect for marine and freshwater aquariums. This filter uses multi-staged chemical, mechanical and biological filtration which provides an extremely high surface area for beneficial bacteria...

Petco.com

$116.99

go to store
FiltoSmart Thermo 100 External Filter, 160 GPH, 111 W / 8 IN

FiltoSmart Thermo 100 External Filter, 160 GPH, 111 W / 8 IN

The FiltoSmart Thermo line of premium compact external filters reduces the amount of additional equipment seen in the aquarium by integrating the heater into the filter unit. Perfect for marine and freshwater aquariums, this filter uses multi-staged... ... more

FiltoSmart Thermo 100 External Filter, 160 GPH, 111 W / 8 IN

The FiltoSmart Thermo line of premium compact external filters reduces the amount of additional equipment seen in the aquarium by integrating the heater into the filter unit. Perfect for marine and freshwater aquariums, this filter uses multi-staged...

Petco.com

$138.99

go to store
FX5 Filter Foam Block

FX5 Filter Foam Block

Fluval Foam Blocks perform mechanical filtration, the crucial first stage in the filtration process. The blocks capture large particles and are custom fit to prevent bypass. Enhances biological filtration. For freshwater and marine aquariums. For use... ... more

FX5 Filter Foam Block

Fluval Foam Blocks perform mechanical filtration, the crucial first stage in the filtration process. The blocks capture large particles and are custom fit to prevent bypass. Enhances biological filtration. For freshwater and marine aquariums. For use...

Petco.com

$16.43

go to store
Filter Media Balls, 90 Count

Filter Media Balls, 90 Count

Help support biological filtration and prevent the growth of algae with Imagitarium Filter Media Balls for Freshwater and Marine Aquariums. ... more

Filter Media Balls, 90 Count

Help support biological filtration and prevent the growth of algae with Imagitarium Filter Media Balls for Freshwater and Marine Aquariums.

Petco.com

$8.99

go to store
Ceramic Filter Media, 10.6 oz

Ceramic Filter Media, 10.6 oz

The Imagitarium Ceramic Filter Media Rings allow beneficial bacteria that aids in the reduction of algae to thrive. These aquarium water filter rings work in freshwater and saltwater aquariums, maximizing efficiency of sumps, canister filters and power... ... more

Ceramic Filter Media, 10.6 oz

The Imagitarium Ceramic Filter Media Rings allow beneficial bacteria that aids in the reduction of algae to thrive. These aquarium water filter rings work in freshwater and saltwater aquariums, maximizing efficiency of sumps, canister filters and power...

Petco.com

$6.99

go to store
SpaceEKO 300 Internal Filter

SpaceEKO 300 Internal Filter

SPACE EKO are canister filters ideal for freshwater aquariums. A unique easy start up system, large filter capacity and silent operation make this range a very good choice for beginners. SPACE EKO canister filters come complete with all necessary... ... more

SpaceEKO 300 Internal Filter

SPACE EKO are canister filters ideal for freshwater aquariums. A unique easy start up system, large filter capacity and silent operation make this range a very good choice for beginners. SPACE EKO canister filters come complete with all necessary...

Petco.com

$169.90

go to store
SpaceEKO 100 Can Filter

SpaceEKO 100 Can Filter

SPACE EKO are canister filters ideal for freshwater aquariums. A unique easy start up system, large filter capacity and silent operation make this range a very good choice for beginners. SPACE EKO canister filters come complete with all necessary... ... more

SpaceEKO 100 Can Filter

SPACE EKO are canister filters ideal for freshwater aquariums. A unique easy start up system, large filter capacity and silent operation make this range a very good choice for beginners. SPACE EKO canister filters come complete with all necessary...

Petco.com

$119.99

go to store
BioMaster Thermo 850 External Filter, 400 GPH, 25 W / 9.4 IN

BioMaster Thermo 850 External Filter, 400 GPH, 25 W / 9.4 IN

The BioMaster Thermo line of premium external filters reduces the amount of additional equipment seen in the aquarium by integrating the heater into the filter unit. Perfect for marine and freshwater aquariums, this filter boasts 4-stage filtration and... ... more

BioMaster Thermo 850 External Filter, 400 GPH, 25 W / 9.4 IN

The BioMaster Thermo line of premium external filters reduces the amount of additional equipment seen in the aquarium by integrating the heater into the filter unit. Perfect for marine and freshwater aquariums, this filter boasts 4-stage filtration and...

Petco.com

$465.99

go to store
BioMaster Thermo 250 External Filter, 250 GPH, 15 W / 9.4 IN

BioMaster Thermo 250 External Filter, 250 GPH, 15 W / 9.4 IN

The BioMaster Thermo line of premium external filters reduces the amount of additional equipment seen in the aquarium by integrating the heater into the filter unit. Perfect for marine and freshwater aquariums, this filter boasts 4-stage filtration and... ... more

BioMaster Thermo 250 External Filter, 250 GPH, 15 W / 9.4 IN

The BioMaster Thermo line of premium external filters reduces the amount of additional equipment seen in the aquarium by integrating the heater into the filter unit. Perfect for marine and freshwater aquariums, this filter boasts 4-stage filtration and...

Petco.com

$276.99

go to store
FiltoSmart Thermo 200 External Filter, 210 GPH, 217 W / 11 IN

FiltoSmart Thermo 200 External Filter, 210 GPH, 217 W / 11 IN

The FiltoSmart Thermo line of premium compact external filters reduces the amount of additional equipment seen in the aquarium by integrating the heater into the filter unit. Perfect for marine and freshwater aquariums, this filter uses multi-staged... ... more

FiltoSmart Thermo 200 External Filter, 210 GPH, 217 W / 11 IN

The FiltoSmart Thermo line of premium compact external filters reduces the amount of additional equipment seen in the aquarium by integrating the heater into the filter unit. Perfect for marine and freshwater aquariums, this filter uses multi-staged...

Petco.com

$182.99

go to store
SpaceEKO 200 Can Filter

SpaceEKO 200 Can Filter

SPACE EKO are canister filters ideal for freshwater aquariums. A unique easy start up system, large filter capacity and silent operation make this range a very good choice for beginners. SPACE EKO canister filters come complete with all necessary... ... more

SpaceEKO 200 Can Filter

SPACE EKO are canister filters ideal for freshwater aquariums. A unique easy start up system, large filter capacity and silent operation make this range a very good choice for beginners. SPACE EKO canister filters come complete with all necessary...

Petco.com

$129.99

go to store
BioMaster Thermo 350 External Filter, 300 GPH, 16 W / 9.4 IN

BioMaster Thermo 350 External Filter, 300 GPH, 16 W / 9.4 IN

The BioMaster Thermo line of premium external filters reduces the amount of additional equipment seen in the aquarium by integrating the heater into the filter unit. Perfect for marine and freshwater aquariums, this filter boasts 4-stage filtration and... ... more

BioMaster Thermo 350 External Filter, 300 GPH, 16 W / 9.4 IN

The BioMaster Thermo line of premium external filters reduces the amount of additional equipment seen in the aquarium by integrating the heater into the filter unit. Perfect for marine and freshwater aquariums, this filter boasts 4-stage filtration and...

Petco.com

$319.99

go to store
FiltoSmart Thermo 300 External Filter, 260 GPH, 323 W / 11 IN

FiltoSmart Thermo 300 External Filter, 260 GPH, 323 W / 11 IN

The FiltoSmart Thermo line of premium compact external filters reduces the amount of additional equipment seen in the aquarium by integrating the heater into the filter unit. Perfect for marine and freshwater aquariums, this filter uses multi-staged... ... more

FiltoSmart Thermo 300 External Filter, 260 GPH, 323 W / 11 IN

The FiltoSmart Thermo line of premium compact external filters reduces the amount of additional equipment seen in the aquarium by integrating the heater into the filter unit. Perfect for marine and freshwater aquariums, this filter uses multi-staged...

Petco.com

$238.99

go to store
FiltoSmart 200 External Filter, 210 GPH, 17 W / 11 IN

FiltoSmart 200 External Filter, 210 GPH, 17 W / 11 IN

The FiltoSmart line of premium compact external filters is perfect for marine and freshwater aquariums. This filter uses multi-staged chemical, mechanical and biological filtration which provides an extremely high surface area for beneficial bacteria... ... more

FiltoSmart 200 External Filter, 210 GPH, 17 W / 11 IN

The FiltoSmart line of premium compact external filters is perfect for marine and freshwater aquariums. This filter uses multi-staged chemical, mechanical and biological filtration which provides an extremely high surface area for beneficial bacteria...

Petco.com

$161.99

go to store
FiltoSmart 300 External Filter, 260 GPH, 23 W / 11 IN

FiltoSmart 300 External Filter, 260 GPH, 23 W / 11 IN

The FiltoSmart line of premium compact external filters is perfect for marine and freshwater aquariums. This filter uses multi-staged chemical, mechanical and biological filtration which provides an extremely high surface area for beneficial bacteria... ... more

FiltoSmart 300 External Filter, 260 GPH, 23 W / 11 IN

The FiltoSmart line of premium compact external filters is perfect for marine and freshwater aquariums. This filter uses multi-staged chemical, mechanical and biological filtration which provides an extremely high surface area for beneficial bacteria...

Petco.com

$205.99

go to store
BioMaster 850 External Filter, 400 GPH, 25 W / 9.4 IN

BioMaster 850 External Filter, 400 GPH, 25 W / 9.4 IN

The BioMaster line of premium external filters is perfect for marine and freshwater aquariums. This filter boasts 4-stage filtration and is designed with sealed filtration pathways to ensure water travels the most efficient path through all filter... ... more

BioMaster 850 External Filter, 400 GPH, 25 W / 9.4 IN

The BioMaster line of premium external filters is perfect for marine and freshwater aquariums. This filter boasts 4-stage filtration and is designed with sealed filtration pathways to ensure water travels the most efficient path through all filter...

Petco.com

$416.99

go to store
White BioStyle 20 Hang-On Filter, 100 GPH, 4.5 W / 6 IN

White BioStyle 20 Hang-On Filter, 100 GPH, 4.5 W / 6 IN

OASE BioStyle 20 is a sleek, compact power filter, ideal for marine and freshwater aquariums up to 20 gallons. This hang on back filter includes one multi-stage filter cartridge and one biological filter foam to ensure optimal water quality and... ... more

White BioStyle 20 Hang-On Filter, 100 GPH, 4.5 W / 6 IN

OASE BioStyle 20 is a sleek, compact power filter, ideal for marine and freshwater aquariums up to 20 gallons. This hang on back filter includes one multi-stage filter cartridge and one biological filter foam to ensure optimal water quality and...

Petco.com

$42.99

go to store
White BioStyle 50 Hang-On Filter, 250 GPH, 5.5 W / 11 IN

White BioStyle 50 Hang-On Filter, 250 GPH, 5.5 W / 11 IN

OASE BioStyle 50 is a sleek, compact power filter, ideal for marine and freshwater aquariums up to 50 gallons. This hang on back filter includes three multi-stage filter cartridges and three biological filter foams to ensure optimal water quality and... ... more

White BioStyle 50 Hang-On Filter, 250 GPH, 5.5 W / 11 IN

OASE BioStyle 50 is a sleek, compact power filter, ideal for marine and freshwater aquariums up to 50 gallons. This hang on back filter includes three multi-stage filter cartridges and three biological filter foams to ensure optimal water quality and...

Petco.com

$69.99

go to store
Navy BioStyle 20 Hang-On Filter, 100 GPH, 4.5 W / 6 IN

Navy BioStyle 20 Hang-On Filter, 100 GPH, 4.5 W / 6 IN

OASE BioStyle 20 is a sleek, compact power filter, ideal for marine and freshwater aquariums up to 20 gallons. This hang on back filter includes one multi-stage filter cartridge and one biological filter foam to ensure optimal water quality and... ... more

Navy BioStyle 20 Hang-On Filter, 100 GPH, 4.5 W / 6 IN

OASE BioStyle 20 is a sleek, compact power filter, ideal for marine and freshwater aquariums up to 20 gallons. This hang on back filter includes one multi-stage filter cartridge and one biological filter foam to ensure optimal water quality and...

Petco.com

$40.27

go to store
White BioStyle 30 Hang-On Filter, 150 GPH, 15 W / 8.5 IN

White BioStyle 30 Hang-On Filter, 150 GPH, 15 W / 8.5 IN

OASE BioStyle 30 is a sleek, compact power filter, ideal for marine and freshwater aquariums up to 30 gallons. This hang on back filter includes two multi-stage filter cartridges and two biological filter foams to ensure optimal water quality and... ... more

White BioStyle 30 Hang-On Filter, 150 GPH, 15 W / 8.5 IN

OASE BioStyle 30 is a sleek, compact power filter, ideal for marine and freshwater aquariums up to 30 gallons. This hang on back filter includes two multi-stage filter cartridges and two biological filter foams to ensure optimal water quality and...

Petco.com

$59.99

go to store