Name: Unique Bargains Backdraft Damper 6.3-6.9' Wall Mounted Duct Connector Flange Air Duct Backflow Check Valve for Kitchen Black 2Pcs
Brand: Unique Bargains
SKU: 2UUL8CB2QLCR
Availability: OutOfStock

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Unique Bargains Backdraft Damper 6.3-6.9' Wall Mounted Duct Connector Flange Air Duct Backflow Check Valve for Kitchen Black 2Pcs

A backdraft damper is a connector for connecting duct outlet and ventilation pipe, mainly used in kitchen range hoods, air conditioners, dryers, basement parking lot vents, etc.||Backdraft Damper, we provide here, are in the size of: Material: flame retardant plastic; Color: Black; Connector Hole Size: 160 x 175mm / 6.3 x 6.89 inch (ID*OD); Total Size: 210 x 190mm / 8.27 x 7.48 inch (L*W)||Duct connector flange made of  flame retardant plastic material, Oil resistance, flame retardant, and high-temperature resistance, can be used for a long time without deformation||The backflow check valve is automatically switched on and off, it will automatically open at the beginning of the exhaust, and it will automatically close after the end, isolating the outside air from entering the room, keeping the room free of peculiar smell||Instructions:Put the product on the wall you need to install and mark the required hole size. After drilling the hole, align the product with the hole and tighten it with screws.(Screws are not included)

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What is this? A backdraft damper is a connector for connecting duct outlet and ventilation pipe, mainly used in kitchen range hoods, air conditioners, dryers, basement parking lot vents, etc. Are there any advantages of the product? 1. Duct connector flange made of flame retardant plastic material, Oil resistance, flame retardant, and high-temperature resistance, can be used for a long time without deformation 2. The backflow check valve is automatically switched on and off, it will automatically open at the beginning of the exhaust, and it will automatically close after the end, isolating the outside air from entering the room, keeping the room free of peculiar smell How to use it? Put the product on the wall you need to install and mark the required hole size. After drilling the hole, align the product with the hole and tighten it with screws. What should I notice? Screws are not included, All size above is measured by manual, please allow /-0.1 inch error.