
This is the adapter you need. It has a pusher valve pin, screws out as easily as screws in (no one-way threads) and seals well. Automotive size R-134 (as on your R-134 gauge kit) for standard air conditioning systems. Suitable for all non-automotive devices. Saves you from the temptation to use R-12/R-22 sensors on an R-134 refrigerator or air conditioner.

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