Complete Manifold Gauge Set: This complete kit includes a 4-way manifold gauge, 4 color-coded hoses, R134a/R1234yf quick couplers, sealed can taps, adapters, a screwdriver, and a valve core wrench. All packed in a carry case for easy transport and storage Works with Four Refrigerants: This 4-way AC gauge accurately measures pressure for R134a, R404A, R1234yf, and R22. It is a versatile solution for automotive AC systems, household refrigerators, and small-scale refrigeration equipment Clear Dual-Scale Gauges: The AC manifold gauge features color-coded high- and low-pressure dials for easy reading. Calibration screws maintain ±1.6% accuracy, while Fahrenheit temperature scales and a sight window help assess charge level during testing High-Pressure Sealing Hoses: Designed to pair with the AC gauge set, the four 5 ft heavy-duty rubber hoses are rated for 800-4000 PSI working pressure. Gasketed fittings and brass connectors help reduce leakage and avoid loosening during service

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