Dual Color Pressure Marking: Red knob for high pressure circuit, knob for low pressure circuit, clear distinction to avoid wrong connection during maintenance work. Wide Vehicle Compatibility: Two size options fit R134a and for R1234yf automotive cooling circuit systems, perfectly matched with manifold gauge sets for car air conditioner repair.
This AC Quick Coupler Set is ideal for applications requiring a fast and efficient connection between aluminum and steel conduit fittings.
