| Inlet Connection Type | Compression |
| Exterior Finish | Brass |
| Material | Brass, Zinc Alloy |
| Outlet Connection Type | Barb |
| Specification Met | ASME B16.34 |
| UPC | 313025062008 |
【R12 to R134A Retrofit Conversion Adapter】The ac retrofit valve with blue dust cap with 7/16" low side port can convert from R12, R22, R502 to R134a. A/C Retrofit Valve Kit-Refrigerant Retrofit Valve Set, with R12 to R134A Low Side Adapter, BPV31 Bullet Piercing Valve, for HVAC Refrigerant System R12 R22 R502 R134A.