... : 5'',10'',20'',30'',40'' 1. pleated filter cartridge micron: 0.22um, 0.45um, 0.6um, 1um, 5um, 10um, ... 50um, 100um....;2. micron filter cartridge length : 5'', 10'', 20'', 30'', 40'';3. membrane pleated filter ... cartridge media: polypropylene;4. end caps: DOE,-222flat, -222fin, -226flat, -226fin ...