The R134A AC refrigerant charge hose kit with gauge is suitable for both domestic refrigeration and automotive R134A systems. The cap tap is compatible with both R134a puncture type and R134a self-sealing type connections. One end of the hose features an R134a puncture tap for direct connection to a puncture refrigerant canister. The other end has a 1/4 SAE female fitting to connect to the refrigerator's male fitting. Includes a colored gauge with Fahrenheit and R134a pressure readings. BPV-31 Poppet Tap Valve is compatible with 1/4 inch, 5/16 inch, and 3/8 inch O.D. pipe. Interchangeable part numbers include: AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV38, MPV31. Constructed of metal for durability and corrosion resistance, this is a reliable replacement component. To connect the AC refrigerant charging hose to a self-sealing refrigerant tank, use the included R134a self-sealing adapter with RH thread. The R134A AC charge hose kit can be used with puncture-type refrigerant canisters by removing the adapter. Color: Blue. Material: Metal. Package includes: 1 x R134A Refrigerant Charging Hose Kit with Gauge. No additional items included. Note: Lighting and display differences may cause slight variations in color. Measurement tolerance is +/- 1-3 cm.