General description The BPV31 Hose Refrigerant Valve Piercing U-Type Piercing Tap Valve Kit is designed for easy and efficient use in car air conditioning systems. It features a built-in safety valve to prevent accidental refrigerant discharge and includes a pressure gauge for easy monitoring during operation. The high-quality rubber hose ensures durability and convenience. Technical specifications Compatible with 1/4 Inch, 5/16 Inch, 3/8 Inch outer diameter hoses Replace Part Numbers: AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31 Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with R134A, R12, and R22 refrigerants Includes a self-sealing refrigerant can opener dispensing valve with 1/2 inch thread Installation Directly used for car R134A AC refrigerant systems Usage Used to add R134A refrigerant to vehicle air conditioning systems Connects to male R134A refrigerant cans and R134A service ports Other information Color: Photo color Material: Rubber