fineness: 0.1micron efficiency : 99.9% Construction: cartridge Filter Service life :3000-6000h 1,large dust holding capacity 2,Strong supply capacity. 3,High pressure stability. 4,High quality. 5,long life. NOTE:1,Filter and filtering elements of various precision can be provide to the pratical needs of users.2,Dimensions are subject to changes without notice. air oil separator parts