R134a R12 R22 Hvac A/c Refrigeration Kit Ac Manifold Gauge Set Auto Freon Charging Kit Automotive A/C Manifold Gauge Set Charging or Diagnostic Kit 3 color-coded 5 FT. long Hoses both end with 1/4" SAE fitting H / L R134a Quick Adapters w/ ACME Fitting Heavy Duty Aluminum Housing Manifold R134a R12 R22 R502