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Features: Universal retrofit valve: Application: suitable for 7/16 inch low side port.Fits all vehicles pre-1994.Compatible with R-134a refill fittings. Function: converts from R-12 to R-134A air conditioning system. This Valve can be screwed on top of a closed AC system that just needs a little refrigerant or top off. BPV-31 bullet piercing tap valve: Replace part No.: AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31. Compatible with 1/4 inch, 5/16 inch, 3/8 inch outside diameter pipes. Easy to install: Cleaning off the copper pipe with a wire brush or abrasive cloth. Then attach it to the smoothest part of the copper tube to ensure tight sealing. Specifications: Quantity: 2 packs Color: as pictures shown Material: metal Package includes: 1 Pack universal retrofit valve (with a dust cap) 1 Pack BPV-31 bullet piercing tap valve Warm note: It is not suitable for refrigerant 410a. Put on your safety glasses and protective gloves before piercing the pipe. The mention of any brands and any related model designation above is only for purposes of demonstrating compatibility, not for trademark using.






