6" Backdraft Damper Ducting Insert Backflow Preventer Draft Blocker w Clamp Bright Orange waterproof sealed plastic electrical enclosure

waterproof sealed plastic electrical enclosure switch push button box

The silicone insulation resists melting in hot environments and becoming brittle in cold ones

Rotatable and foldable design

Rated Voltage:

6" Backdraft Damper Ducting Insert Backflow Preventer Draft Blocker w Clamp Bright Orange waterproof sealed plastic electrical enclosureThe 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