... . Executive standard:YB/T053-2000. Drying Filter 1) Drier and filter apply to refrigerator, freezer that use R12, R22, ... R134a, R600a, R40a, R407c, R140a as refrigerant and use capilse capillary to throttle or other mini typeshermetical refrigeration ... ice jam' or 'dirt jam'3) Universal types: 8g, 10g, 12g, 15g, 18g, 25g.All types and diameters available according to customer's requirement.