Review on Pieces Refrigerant Charging Piercing Compatible by Harry Ashcraft

Pros: Bullet valves worked great. Cons: 1. The hose with the meter didn't work.2. There is no coupling to connect to the R134a.3 cartridge. The valve was not screwed onto the R134a can. Recommendations: I recommend you to buy parts separately. This package did not work as advertised. Buy a BPV, coupler, refrigerant, and hose with a gauge that sits just above the refrigerant inlet. Use the BPV and connect the connector directly to it.