HYDROPONIC DEPOT Backdraft Damper

[MATERIAL]:The blades are made of aluminum alloy

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

[EASY TO USE]:According to the demand, the pipeline can be spliced to form the exhaust and air intake system

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

[APPLICATION]:It is used in kitchen, factory, food factory and other areas to form intake pipe or exhaust pipe system