1/2 in FTG Connection Size, 6 7/16 in Lg, Refrigeration Ball Valves - 787UC5|A 18961 - Grainger
R12 R410 Refrigerant Charging Valve, Air Conditioning Refrigerant Liquid Safety Valve Copper Control Valves Copper and Fluorine Safety Valve - Walmart.com
Amazon.com: gohantee R12 R410 Refrigerant Charging Valve, R12 R22-1/4“ Male to 1/4” Female, R410-1/4" Male to 5/16" Female, Safety Adapter Flow Control Ball Valve for R12 R22 R410 Air Conditioner Manifold :