Pocket Air Filter is applicable to hospital, electronics, commercial buildings,such as precision machinery filter. Use:1. Intermediate air filtration system filters can ... buildings,such as precision machinery Filter,Performance data:Filtration efficiencySpecifications (high mm * wide mm * deep mm * BAG few P)The initial ... *3B1700592*592*380mm*6B100 3400287*592*380mm*3B1700 F5 Nonwoven Pocket Filter