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Re: Blue Can of R-134a With R-12 Fitting
Posted to HVAC Forum on 7/17/2003

Commercial R-134a use that type 1/4" fitting. They usually have on the can, "Not for Automotive Use". I get my R-134a from Sam's sometime and it has the Acme fitting. It also comes with a plastic adaptor to convert the Acme fitting to 1/4" flare.

I also use ... Login to read more.