PF Grade | Primarily filtration Removing dust particle which is larger than 25 microns, including water and oil mist. |
AO Grade | High efficiency and general-used protection Removing dust particle and water and oil mist which are larger than 1 micron. Max. oil mist content: 0.5mg/m3(21℃)/0.5ppm(w) (70℉) |
AA Grade |
High efficiency oil removing and filtrating (must be equipped with AO grade filter) Removing dust particle, water and oil mist which are larger than 0.01 micron, max. oil mist content: 0.01mg/m3(21℃)/0.01ppm(w) (70℉) |
AX Grade | Super high efficiency filter (must be equipped with AO grade filter) Removing dust particle, water and oil mist which are larger than 0.01 micron, max. oil mist content: 0.01mg/m3(21℃)/0.01ppm(w) (70℉) |
AR Grade | General-used dust removing and filtrating Removing dust particle which is larger than 1 micron. |
AAR Grade |
High efficiency dust removing and filtrating Removing dust particle which is larger than 0.01 micron. |
ACS Grade |
Remove oil steam and peculiar smell (must be equipped with AA grade filter Max. remnants of oil steam is 0.003mg/m3(21℃)/0.003ppm(w) (70℉) |