Product Name: Stainless Steel Wall Mounted Pipe Exhaust Vent Caps for Ventilation Fresh Air Model NO.: EV-S304 Certification: UL, ISO9001, ROHS, CE ventilation mode: natural ventilation Material: Stainless Steel Thickness: 1.0mm Surface Finish: SS304 Color: Ral9016/9010 as Standard Size: 100mm,150mm,200mm,250mm Sample: Offer Application: HVAC System Accessories: Flexible Duct Installation: Ceiling OEM: Available Trademark: Vairtech Transport Package: Carton Box Specification: EV-AN Origin: China HS Code: 7616999000 Product Description Stainless steel wall mounted pipe exhaust vent caps for ventilation fresh airConstruction:frame & inner louver:: High quality extruded aluminum alloy(A6063) sheet.Description:The frame & blades are high quality extruded aluminum profiled construction with advantages of corrosion resistance and rigidity.This type of air vent is incorporated with a set of louver blades. It is commonly used as exhausted outlet and ventilation on the exterior walls of washrooms, kitchens, warehouses, houses,apartments, condominiums, gymnasiums...ect.There are inverted spring hooks located on the neck , which are used to secure the device onto the wall or duct.EV-ANc/w aluminum air filter is for option.Surface Finish:Powder coated color finish as per RAL color standard color: RAL9016, 9010Material thickness:1.0mfor optionStandard Size:Item CodeNeckΦ N (mm)FaceΦ F (mm)EV-S304-10098165EV-S304-125123190EV-S304-150148215EV-S304-200198270EV-S304-250248325Company InformationVairtech Ventilation Co.,Ltdis a professional manufacturer for supplying full range of ventilation products with about 15 years' experience, which is located in the Aluminum Hometown of China - Naihai, Foshan, Guangdong. We enjoy transportation & raw material convenience.