90-SFD, Clean Air Filter

90-SFD series clean air filters are available as cartridge type or disposable type models. The filtration level is 0.01 micron (filtering efficiency of 99.99%) on units with membrane elements. The SFB20, with a sintered metallic element, has a nominal filtration of 120 micron. 90-SFD is made from materials compatible with secondary battery manufacturing.