Hard to find air conditioning fittings are available in Aeroflow's huge range of fittings and adaptors. Designed to be used with R-134A refrigerant the nylon tube core inside a braided stainless steel covered hose will work within a temperature range of -40°F to 250°F. Dress up your air conditioning with these Polished Chrome Plated Stainless Steel reusable fittings.