Backdraft Damper

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[MATERIAL]: The blades are made of aluminum alloy;

[SIZE]: Duct splice ring diameter:4IN/6IN/8IN; Height: 5IN;

[EASY TO USE]: According to the demand, the pipeline can be spliced to form the exhaust and air intake system. It can be installed horizontally or vertically;

[ROTATING BLADE]: By adjusting the blade angle, the ventilation flow can be controlled, and it can also be used for wind protection;

[APPLICATION]: Widely used in air conditioners, exhaust fans, range hoods, range hoods, heating pipes, vents and other residential and industrial applications.