Car AC, R134a Can Tapper Charging Tool with 1/4 " Connector; Model Tap1 Use this can tap with home AC R22 R12 manifold to charge Car AC with R134a refrigerant can. R134a Can/refrigerant is NOT part of the sale. Pictured to show how it is connected. Car Boat AC R134A Refrigerant Charging Can Tap Tapper Opener 1/4 Flare HVAC Tool Track Page Views WithAuctiva's FREE Counter