... 3>Certificate:ISO9001:2008 4>OEM & ODM accep HEPA Cartridge Air Filter for Air Cleaner Production Description:1) Frames: Paper,Aluminum or galvanized ... , and other allergens5.ISO, RoHS, SGS approvalHepa air filter Application:1)Air HFPA purifier, air cleaner, vacuum cleaner,etc.2)FFU, electronics, ... -blown+polyester non-woven, melt-blown+glass fiber. HEPA Cartridge Air Filter for Air Cleaner