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. Dual Color Pressure Marking: Red knob for high pressure circuit, knob for low pressure circuit, clear distinction to avoid wrong connection during maintenance work.
This product would be ideal for automotive professionals and DIYers looking for a versatile and easy-to-use coupler for switching between R134a and R1234yf refrigerant systems in vehicles.
