50552R-LBrass R134a female coupler to R1234yf male coupler w/ STD valve core low sideR-LTagsManifold-Gauge-Vacuum-Pump-Quick-Coupler-Pressure-Gauge-Refrigerant-Recovery-UnitR1234yfR134aADD TO INQUIRYREMOVEVARIANTS50552I50552-HH50552-LL50552R-HR-HDETAIL Brass R134a female coupler to R1234yf male coupler w/ STD valve core low sideMaterial: Brass