Yescom R410a R404a R22 4 Valve 60 Inch Manifold Gauge Hvac Diagnostic Hose Tools Refrigerant Manifold gauges with built-in sight glass, high pressure or low pressure is selectable Diaphragm valves with swivel seals for more positive seal and less wear Temperature in &deg;F for R410a, R22, R404a 60" 3 color coded charging hoses working pressure: 800 PSI, burst pressure: 4000 PSI Charging hoses are designed to meet 1/4" SAE requirement for refrigerant permutation. Ball valves are not included, please search ASIN B01HO5F5SU if needed