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Best Seller
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

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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

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Best Seller
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

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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

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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

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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

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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

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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

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BioMaster 350, 14.17" L X 10.24" W X 17.52" H, 10 LBS

BioMaster 350, 14.17" L X 10.24" W X 17.52" H, 10 LBS

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 350, 14.17" L X 10.24" W X 17.52" H, 10 LBS

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

$287.97

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BioMaster 600, 14.17" L X 10.24" W X 19.69" H, 11 LBS

BioMaster 600, 14.17" L X 10.24" W X 19.69" H, 11 LBS

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 600, 14.17" L X 10.24" W X 19.69" H, 11 LBS

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

$349.99

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