AC Quick Connect Kits for R134a System 1/4" SAE Male High Low Side Coupler

For R134A refrigerants. 1 x Red high side adjustable A/C R134a Quick Couplers. 1 x Blue low side adjustable A/C R134a Quick Couplers. Coupler Interface Fits with R134 Service Ports,1/4"" Male Flare. Red: High Side Quick Connector/Adapter (1/4"" SAE Male Flare).