... :15g 3:length:115 or 120 copper air filter drier (strainer) 1) Copper filter driers (Copper Strainers) for refrigerators, freezers, air ... conditioners and compressor units.2) Both ends with plastic caps, big one or little one (white, yellow, red, blue ... , freezers, air conditioners and compressor units. 2) Both ends with plastic caps, big one or little one (white, yellow, red, blue ...