Washable Panel Air Filter is widely in office, conference room, hospitals, airports and other large building ventilation and air conditioning system or common industrial plant and clean room air distribution system for pre filtration. The Washable plate air filter is demoutable frame ,high dust holding capacity low resistance long service life good performance and it can be wash two or three times . Specification: Frame material: galvanized frame, aluminum alloy frame, plastic frame or stainless steel frame Frame thickness: 10/21/46/96 etc. Filter material: imported polyester synthetic fiber Maximum temperature: 98 Maximum temperature: 100% Efficiency:G3/G4/G5(EN779) APPLICATION Washable primary panel filter is made of high quality polyester media and light frame. It has low pressure drop and high fire resistance. It's applicable to:AC ventilation system of offices, meeting rooms, hospitals, shopping centers, sports centers, airports and residence etc. As a pre-filter in the centralized ventilation system of a clean room inside an industrial plant.