Air Conditioning Accessory -Air Conditioner Refrigerator Filling Valve 122mm One Way Check Valve Highlights Generic Air Conditioner Refrigerator Filling Valve 122mm One Way Check Valve Material: metal Color: golden 4 sizes are available. Refrigeration valve, liquid filling valve, adapter, check valve. Useful kits for repairing refrigerators and air conditioners. Specification: Size 1 : Total Length: 63mm; Dia. 6mm copper tube; Thickness: 0.35mm Size 2 : Total length: 126mm; Dia. 6mm copper tube; Thickness: 0.35mm Size 3 : Total Length: 78mm; Dia. 6.35mm copper tube; Thickness: 0.6mm Size 4 : Total length: 122mm; Dia. 6.35mm copper tube; Thickness: 0.6mm Package Include: 1 Piece Ductless Split Service Port Adapter