4x BPV31 Bullet Piercing Valve For A/C Refrigeration Lines 5/16 3/8 1/4 In
4PCS BPV31 Bullet Piercing Valve for A/C Refrigeration Lines. ⭐[COMPATIBILITY] For BPV-31 bullet piercing valve 3 in 1 access for air conditioners HVAC, these bullet piercing valves fit 1/4″, 5/16″and 3/8″tubing.