... Cartridge was made from cellulose cloth media and desinged with multilayer pleated constrution. Pleated Cellulose Water Filter Cartridge reusable ... polyester impregnated pleated cellulose cartridge for filtration of water. ... D)-(E) A. Micron Rating: 5,10,20,25,50,100 B. The Length: 5",10",20", 30" & 40" C. ...