Youngine Adjustable R134A Quick Coupler Adapter Fittings High Low Air Conditioner Manifold Gauge Hose Conversion Set, 1/4" SAE HVAC

• Premium Quality: Aluminum construction for the Blue & Red Switch; Nickel plated bronze for the body; Bronze construction for the ACME adapter, detachable for easy maintenance
• Universal Compatibility: Comes with copper 1/4" male flare, rotate adjustable coupler interface fits with R134A service ports, a perfect A/C manifold gauge set
• High & Low Side Fitting: Red- High side quick connector/adapter and Blue for Low side; Inlet diameter: 5.08 mm, Outlet diameter: 7.98 mm; 7/16-20UNF Thread Size
• Built-in ball valve retains charge & allows access to A/C auto systems, Excellent for replacing valve cores without discharging or reclaiming the system
• Offer you the best convenience to attach the manifold hoses onto the automotive/car air condition R134A system during the diagnosis, charging, or evacuation

Use gauges for air conditioning and refrigerators, but the hoses couldn’t fit on a automobile air conditioner? --- Buy these now, you can hook up your HVAC gauges to these and the quick coupler adapter hooks easily to the low and high side ports on a car to check pressure readings on gauges and charge refrigerant to low side port It was time to replace the ones that I had with a new set of coupling service valves, which are far less expensive than purchasing a new manifold gauge set or a new set of hoses that have the service valves installed! More Features: * Nice heavy metal, very durable, quality item in both appearance and function * They seal perfectly on the fittings, no leaks, long-lasting use * Easily open and close under pressure * The adapters supplied allow them to be used with even older R12 gauges, recommend to auto techs and DIYers alike * Second generation quick R134a Coupler Adapter * Package Include: 1 * Adjustable A/C R134A Quick Couplers (High & Low Side)