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EASY TO USE - Compared with nail pads
just insert the forming outlet into the end of the hose without any tools
Rim Width: 6mm / 0
Rivet Grip Size: 4 x 11mm/0
Package Include: 28 x Tube Inserts
Backdraft Damper, Metal HVAC Ducting Insert Backflow Preventer Draft Blocker Duct Adaptor for Kitchen Bathroom Exhaust Fan ItemPackageQuantity:1 EASY TO USE - ComparedThe 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: Material: Outer Diameter of Interface: Overall Size:
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