... :16mm ,19mm,25mm,30mm,40mm Copper filter driers (Copper Strainers) for refrigerators, freezers 1) Copper filter driers (Copper Strainers) for refrigerators, freezers ... plastic caps, big one or little one (white, yellow, red, blue,green, different colors available) 3) 5GR, 7GR, 10GR, 12GR, 15GR ... , R12, R226) Vaccum packing or common plastic bag packing copper filter drier