Air Conditioning Refrigerant Charge Hose with Gauge and BPV31 Bullet Piercing Valve

Features:
Made of corrosion-resistant metal, won't wear out or rust over time, a convenient replacement part for you to use.
The hose adopts quality rubber material, high pressure resistance and reliable.
Come with gauge for easily viewing during use, which has multi-scale readings of R134A/R-502, R12/R22 and PSI for convenience.
Easy to use: you only need a hexkey wrench (included) to install this part.
This system refrigerant charge hose with built-in safety valve to prevents accidental venting of refrigerant.
Suitable for home air-conditioning and car air-conditioning to add refrigeration.
BPV-31 bullet piercing tap valve: replace part No.: AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31, also compatible with 1/4 inch, 5/16 inch, 3/8 inch outside diameter pipes.