1) Ayon sa iba't ibang mga prinsipyo ng filter ng langis, maaari itong nahahati sa:
1〠Plate at frame oil filter.
( makina ng filter ng langis)
2〠Vacuum na filter ng langis.
( makina ng filter ng langis)
3〠Coalescence sedimentation oil filter.
( makina ng filter ng langis)
4〠Centrifugal oil filter.
(oil filter machine)
5〠Electrostatic adsorption oil filter.
6〠ZTS integrated purification equipment.
7〠Hindi kinakalawang na asero filter ng langis.
8〠Awtomatikong pagtanggal ng slag oil filter, bag oil filter.