Description
4″ Backdraft Damper, 1 Set Stainless Steel Airflow Ducting Insert Backflow Preventer Draft Blocker with Clamps for Kitchen Bathroom Exhaust Fan sale in uk
The backdraft damper is used to prevent the backflow of smoke or exhaust gas through air duct when the ventilation fan is off, it also prevents debris, dust and odor from entering your room. Widely used in dryers, extractors or range hoods, and other HVAC applications. You can install it in your home, kitchen, bathroom, office or living room which needs a ventilation system.
Specification
Color: Silver
Material: 201 Stainless Steel
Outer Diameter of Interface: 98 mm / 3.86 inch
Overall Size: 145 x 145 x 42 mm / 5.71 x 5.71 x 1.65 inch (L*W*T)
Packing List: 1 Set – 1 x Backdraft Damper, 1 x Aluminum Foil Tape, 1 x Clamp, 1 x Sponge Seal Strip, 1 x Glue, 2 x Gloves
Advantage
1. Made of durable 201 Stainless Steel, which has high hardness and no rust, not easy to scratch and resist corrosion, moisture-proof and easy to clean, can be used for a long time;
2. When the exhaust starts, the air pressure will push to open the valve for air discharging; after the exhaust stops, the damper valve will automatically close and remain closed all the time to prevent odor from entering your room, making your indoor environment full of fresh air.
Instruction
1. Apply sealing glue to seal strip and attach it to the bottom of the backdraft damper;
2. Then Fix the damper to the vent hole on the wall with spring clips;
3. Finally fit the the proper size of pipe hose with clamp to the return damper.
NOTE: Please confirm the outer diameter of the backdraft damper before placing an order.
