DURABLE MATERIAL-R12 R22 to R134A Conversion Adapter is made of high quality brass and plastic, BPV31 Bullet Piercing Valve is made of zinc alloy, the material is resistant to wear and rust, the design is durable and long service life
HIGH COMPATIBILITY-BPV31 Bullet Piercing Tap Valve can replace AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31 parts models, The BPV31 Bullet Piercing Valve is compatible with 1/4 inch, 5/16 inch, 3/8 inch outer diameter pipe
CONVERTIBLE-The A/C Retrofit Valve Kit can be converted from R12, R22, R502 to R134A for 7/16inch low side ports, making it compatible with vehicles equipped with R-134a refill fittings before 1994
PACKAGE INCLUDE-2×R12 to R134A retrofit conversion adapter with 2×dust cap, 2×BPV31 bullet piercing tap valve, 2×hex key, 4×adapters
EASY to INSTALL- The bullet piercing tap valve is compact and easy to install in a 2in clearance area with complete package tools, so you don't need to buy extra