Description:

Alloy adapter for standard hosese to automotive, Recharge your car like New, Directly Fit. This part has undergone a rigorous inspection to ensure , durable and reliable under extreme conditions; developed with 3D modeling & design software for dimensional precision up to 0.005 mm, rigorously tested for impeccable performance and unapologetic reliability. The knobs are to actuate the shrader valve on the AC fitting, They make it easier to install and remove on the fitting. Install to the fitting, then turn it clockwise to open the AC valve.. Professional high & low quick couplers adapters for A/C R-134A type refrigerants, designed to use with diagnostic manifold gauge and designed for AC charging, diagnostic check, recovery and evacuation work. Including a set of high and low pressure quick couplers, red for high pressure, blue for low pressure, literal explanation on product top for easy recognition.1/4" SAE Male Port. Reliable and Durable,quick and easy connect/disconnect; brilliant sleeve provides safety protection and avoids injury and refrigerant loss, defending against leakage.