15gr copper filter dryer for refrigerator parts 1:single filter 2:diameter:16mm,19*mm 3:molecular sieve:XH-5,XH-9 15gr copper filter dryer 1) Drier and filter apply to refrigerator, freezer that use R12, R22, R134a,2) Absorbing extra water or moisture, strain feculence that might cause block problem, to avoid the system 'ice jam' or 'dirt jam' 15gr copper filter dryer for refrigerator parts