AC Quick Connect Adapter Set for R134a System 1/4" SAE Male High Low Side Kit

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. Red: High Side Quick Connector/Adapter (1/4"" SAE Male Flare). Blue: Low Side Quick Connector/Adapter (1/4"" SAE Male Flare).