The Lorking L14000125 Refrigerator Isobutane R600A 14.8Oz is a refrigerant used in compatible refrigeration systems for cooling. It circulates through the sealed cooling system, absorbs heat from inside the refrigerator, and releases it outside to maintain the required temperature. This R600A refrigerant is supplied in a 14.8-ounce container for servicing compatible systems. https://www.hnkparts.com/r600a-refreg-14-oz-l14000125