... Collector 2.Cartridge Filter 3.80%Cellulose/20%Polyester 4.Efficiency 99.99% Cellulose Cartridge Filter1.Function Dust Collector 2. ... ,Filter Cartridge,Pleated bag filter cartridges,air filter cartridge,Cellulose Air Filter Cartridge Suitable for the filtration of fine ... floating dust collection.1, Imported cellulose fiber or synthetic fiber for base media. (80%cellulose and 20%polyester)2, Excellent ...