【R134A Fridge Freon Recharge Kit】From this R134a refrigerant charging hose kit you will get : 2 Pack of BPV31 bullet piercing tap valves, 1pcs RH r134a self-sealing adapter for r134a self-sealing containers | 【Refrigerator Freon Charging Hose with Guage】The refrigerator charging kit's guage can reads for r134a/r12/r22/r502 to meet your need as much as possible. One side of the refrigerator charging hose is: puncture type r134a can tap, the other side of the fridge refrigerant refill hose is:1/4 SAE female prot to connect refrigerator coolant pipe or refrigerant service access valve for recharging refrigerant | 【R134a Self Sealing Adapter for Refrigerant Cans】If your refrigerant cans is puncture type mouth, you need to use the r134a recharging refrigerator hose together with this self sealing r134a adapter to connect your piercing refrigerant cans | 【BPV-31 Refrigerator Tap Valve】The bpv31 piercing valve is compatible with 1/4inch, 5/16inch, 3/8inch outside diameter pipes. Our bullet piercing tap valve can replace the part model of AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31 | 【Application】Appliance repair workers can use the r134a refrigerator freon refill kit to refill refrigerant for the refrigerator to ensure that the refrigerator can work normally and stably. 【Premium Material】The puncture r134a can tap, 1/4 SAE female prot and guage shell are made of solid brass and metal. Durable for longtime use