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Best Seller | Master Flow 4 in. Fresh Air Vent FAV4 - New Master Flow Fresh Air Vents come with a built-in screen to prevent bird entry. They can be used to vent a combustion system or anywhere fresh air intake is needed. Constructed of galvanized steel. Built-in bird screen Sturdy galvanized steel... more | go to store |
Master Flow 4 in. Storm Collar This Master Flow 4 in. Storm Collar is made of galvanized steel and installs on a variety of roof pitches with sheet-metal screws. It helps protect against rain snow and debris. Adjustable for various roof pitches. Sturdy galvanized steel construction... more | FREE shipping go to store |
Master Flow WVA4BL Round Wall Vent 4 Black Each Highlights: Color : Black Diameter: 4 inch Material: galvanized steel. Type: Round Usage: For Outside Sidewall Termination of Kitchen Bath Fans Range Hoods Microwave Venting or Dryer Exhausts more | $50.10 $40.75 go to store |
Master Flow 10 in. Round Duct Cap Master Flow Duct Caps are used to terminate round pipe runs in HVAC systems. An assortment of duct caps size is available to match the round pipe. Can be used for existing and new construction. Sturdy galvanized steel construction Always seal seams... more | FREE shipping go to store |
Master Flow 12 in. x 8 in. Rectangular Duct Cap The Master Flow 12 in. x 8 in. Rectangular Duct Cap is used to terminate a rectangular duct run in an HVAC application. This rectangular duct cap is made of 30-gauge galvanized steel for strength and durability. It can be installed using appropriate... more | FREE shipping go to store |
Master Flow NU26CP7X24 7 in. x 24 in. 26-Gauge Round Duct Pipe Heavy Gauge 7 in. Pipe is used to vent boilers furnaces and hot water heaters. Available in a variety of common lengths diameters and gauges to help make your next HVAC project a success. A simple snap lock design and sturdy galvanized steel... more | go to store |
Master Flow NU28CP4X24 4 in. x 24 in. 28-Gauge Round Duct Pipe Heavy Gauge 4 in. Pipe is used to vent boilers furnaces and hot water heaters. Available in a variety of common lengths diameters and gauges to help make your next HVAC project a success. A simple snap lock design and sturdy galvanized steel... more | go to store |
Master Flow NU26CP3X24-5PK 3 in. x 24 in. 26-Gauge Round Duct Pipe Heavy Gauge 3 in. Pipe is used to vent boilers furnaces and hot water heaters. Available in a variety of common lengths diameters and gauges to help make your next HVAC project a success. A simple snap lock design and sturdy galvanized steel... more | go to store |
Master Flow NU26CP4X24-5PK 4 in. x 24 in. 26-Gauge Round Duct Pipe Heavy Gauge 4 in. Pipe is used to vent boilers furnaces and hot water heaters. Available in a variety of common lengths diameters and gauges to help make your next HVAC project a success. A simple snap lock design and sturdy galvanized steel... more | go to store |
Master Flow 12 in. x 12 in. to 8 in. Ceiling Register Box The Master Flow 12 in. x 12 in. x 8 in. Ceiling Register Box is made of 30-Gauge galvanized steel. It creates a transition from round pipe or insulated flexible duct to an air register or grille. The ceiling register box can be installed with sheet... more | FREE shipping go to store |
Master Flow 10 in. x 4 in. to 6 in. 90-Degree Register Box The Master Flow 10 in. x 4 in. x 6 in. 90°Register Box creates a right-angle transition from round pipe or insulated flexible duct to an air register. This box is made of galvanized steel. It can be installed with sheet metal screws. It is suitable... more | go to store |
Master Flow 4 in. Round Duct Cap The Master Flow 4 in. Round Duct Cap also called a tee-cap or clean-out plug is constructed of galvanized steel for durability. The duct cap is used to terminate or block off a rectangular duct run in HVAC systems. It can be installed with sheet metal... more | FREE shipping go to store |
Master Flow 3-1/4 in. x 10 in. Rectangular Appliance Wall Vent The Master Flow 3-1/4 in. x 10 in. Rectangular Appliance Wall Vent is designed to fit most range hoods that will be vented outside through a wall. This heavy-duty wall vent is made of zinc-coated galvanized steel. This wall vent features a spring... more | go to store |
Master Flow 12 in. x 2-1/4 in. to 6 in. Universal Register Box This Master Flow 12 in. W x 2-1/4 in. L x 6 in. Dia Universal Register Box is ideal for creating a straight in-line transition from a round pipe to an air register. Insulate ductwork for system efficiency and comfort. Galvanized steel construction... more | FREE shipping go to store |
Master Flow 26FY6X6X5 6 in. x 6 in. x 5 in. 26 Gauge Flue Wye Used to vent two appliances together where codes allow. Heavy duty construction meets most building codes for single wall use. Crimped branch pipe in the direction of airflow.26-Gauge steel construction Y branch allows air to flow easilyCrimped in the... more | go to store |
5 In. Fresh Air Vent Galvanized steel construction ensures long-term use Designed for easy installation using metal screws Built-in screen helps to prevent entry of birds into duct system Master Flow Fresh Air Vents come with a built-in screen to... more | FREE shipping go to store |
Master Flow 26FY7X7X4 7 in. x 7 in. x 4 in. 26 Gauge Flue Wye Used to vent two appliances together where codes allow. Heavy duty construction meets most building codes for single wall use. Crimped branch pipe in the direction of airflow.26-Gauge steel construction Y branch allows air to flow easilyCrimped in the... more | go to store |
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