... filter drier for refrigeration parts 1)It is for refrigerator,freezer 2)5gr,7gr,9gr,10gr,12gr,15gr,20gr, 10g 20g 30g 50gCopper filter drier ... for refrigeration partsIt is for refrigerator,freezer,and air conditioning use,compressor ... . then packed into cartons or drums. 10g 20g 30g 50gCopper filter drier for refrigeration parts