... cartridge media: polypropylene; 2. micron filter cartridge length: 5'',10'',20'',30'',40'' 1. pleated filter cartridge micron: 0.22um ... , 10um, 50um, 100um....;2. micron filter cartridge length : 5'', 10'', 20'', 30'', 40'';3. membrane pleated filter cartridge media: polypropylene; ... caps: DOE,-222flat, -222fin, -226flat, -226fin and others.5. ourside diameter: 69mm;6. inner diameter: 28mm;7. membrane ...