3 Inch OD Duct Backdraft Damper Manual Volume Damper for Vents Fans

Specifications

The 304 stainless steel air valve can accurately control the air flow rate and flow direction to ensure stable and efficient operation of the ventilation system. Whether it is a factory workshop, a commercial building, or residential fresh air system, it is necessary for its control over the circulation of the air.Specification Color: SilverMaterial: 304 Stainless SteelOuter Diameter: 76 mm / 3 inchInner Diameter: 73 mm / 2.9 inchThickness: 1 mm / 0.04 inchLength: 100 mm / 3.94 inchPacking List: 1Pcs Duct Backdraft DamperAdvantageMATERIAL: The main body is made of 304 stainless steel, which boasts excellent anti-rust and corrosion resistance. The duct damper can effectively withstand moisture, acid, alkali and other corrosive factors, adapting to various complex environments.

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