RO41640 Robinair Side Wheel Manifold Set with "Quick Seal" Enviro-Guard Hoses. Set has universal gauges with Gauges show R-22 and R-134a temperature scales on the gauge making multiple gas use a snap, no more eye strain trying to read fine printed letters on the dial. Set comes with Three color coded (Red, Yellow, Blue) 72" Quick Seal hoses, standard 1/4" fittings. A Flexible Holster - Provides protection against the bumps and knocks of everyday use. Face Seal Valves - Give a tight seal, less wear and improved Refrigerant flow