About this item:[FITS R1234YF & 1/4" PORTS]:This set of high and low pressure couplers works perfectly with R1234YF service ports.The adapters we provided also ensure compatibility with 1/4-inch male flare fittings. will let you quickly and easily service the R1234YF AC systems in both foreign and domestic cars, trucks, SUVs, and other vehicles.[NO LEAKAGE]:The internal and external threads adopt precise design for perfect matching and easy replacement,and the interface is also equipped with high-quality thick rubber O-rings seals to ensure a complete hermetic seal, providing superior protection against wasteful refrigerant leakage.[LONG LASTING]:The zinc alloy and brass construction ensures high resistance to both abrasion and chemical corrosion.id.
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