... -12;E1-16,E3-16,E5-16,E7-16,E9-16 E1-20,E3-20,E5-20,E7-20,E9-20;E1-24,E3-24,E5-24 ... ,E7-24,E9-24 E1-28,E3-28,E5-28,E7-28 ... ,E9-44;E1-48,E3-48,E5-48,E7-48,E9-48 filtration rating(μm): E1 grade(filter element ... grade(high efficient filter element for eiminting oil):0.01 E7 grade(intake pipe filter element):1 E9 grade:(sepatator/filter ...