The Weitron R134A Refrigerant ensures you are Ready for the Road Ahead™ with its storage in a quick replacement container for your HVAC system. It does not have any ozone depletion potential and has little greenhouse effect due to the nature of R134a properties, which is of a HFC (hydrofluorocarbon) refrigerant. This refrigerant replacement fluid keeps you cool while on the road ahead. Cylinder includes 1/2" ACME male and 1/4" female pipe fittings.