This is a A-CP6073 R-134a Low Side Coupler w/ Manual Shut-Off PN: CP6073Main Description As Following : A-CP6073 R-134a Low Side Coupler w/ Manual Shut-Off P.N: CP6073 For R-134a Service Only Found in Section & Models : Air Conditioning Parts > O-rings/ Fittings/ Misc, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : For R-134a Service Only