Shown on this page is a assortment of fittings manufactured by PURE Choice Motorsports, along with Aeroquip Stainless Braided Hose and Hose End Components for 134-A Air Conditioning systems and matching Heater line kits. You will see special fittings for installing Stainless Steel Tubing. On most systems you will use -10 size from evaporator to compressor, -8 size from compressor to condenser,and -6 size from condenser to dryer and back to evaporator. Take a look at our new Tight 90 degree elbows for A/C. We are also a Vintage Air Dealer.