Specifications
Back Draft Shutter (Back Draft Flaps )material: Galvanized steel , Stainless Steel.
match for inline duct fans,etc
Back Draft Shutter (Back Draft Flaps )
purpose: HVAC, match for inline duct fans,etc.
Material: Galvanized Steel , Stainless Steel (With rubber /gasket & No rubber/gasket)
Size: full size from 80mm to 750mm, more detailed info pls contact us .
Note: Special product with special specification can be made as per request.
We main products are HVAC fittng, vent duct, ship duct, air duct, regulating damper,connector, elbow and many other special pipe fitting.
