... : 5'',10'',20'',30'',40'' 1. pleated filter cartridge micron: 0.22um, 0.45um, 0.6um, 1um, 5um, 10um, 50um, 100um....;2. micron ... , -222fin, -226flat, -226fin and others.5. ourside diameter: 69mm;6. inner diameter: 28mm;7. membrane filtration features: a. 100% pure ... lubricants or anti-static additives; d. excellent dirt holding capacity e. consistent filtration over the life of the cartridges. f. ...