Manual Duct Valve Air Damper Valve 63-250 Mm Dia Ventilation Duct Valve Pipe HVAC System Butterfly Damper Valve ,Stable Performance

Colour:White Control type:Manual Diameter:63/75/90/110/160/200/250mm Features:Anti-corrosion,injection molding, smooth inner wall and low wind resistance Pressure: Medium PressureYou may also like Pneumatic Vacuum Generator Suction Cup Negative Pressure Control, Air Exhaust Ejector CV-10HS CV-15HS CV-20HS CV-25HS ,Easy to Use - CV-25HS_WITH 8MM FITTING.