Our air conditioning hose and fittings were designed specifically for use within the automotive marketplace and has an extremely small external diameter. They comply with the following specifications, GM : SD2-254, Ford : WSHM 96D25 and Chrysler : PF6318. The fittings shown are the most commonly specified sizes in the automotive marketplace but we can always supply any other fitting you may require including filling points etc. The hose is constructed from a seamless synthetic rubber (CR) inner tube covered with a nylon layer and reinforced with one braid. The exterior of the hose has a weather, oil and abrasion resistant rubber cover (Butyl) which is perforated in line with gas hose requirements. Designed for automotive air conditioning carrying Freon 12-R134A-SUVA MP52 and R22. It offers a temperature range of -35 degrees C to +120 degrees C.