Pleated cartridge filter :PES,10" ,0.45um ,Code 7,PTFE ,20",0.2um,Code7 PES pleated cartridge filter , 5" ,10",20",30",40" length with various pore size .PTFE vent filter , 5",10",20".30",40" length with various pore size.please contact us for more details . pleated cartridge filter