ARKSEN 4-Valve Manifold HVAC Dual Gauge, R404A R410A R22 w/Carrying Case Reading Gauge Diameter: 2-3/4" (4) 5 Feet Color Coded Charging Hose: Red (1/4" SAE), 2x Yellow (1/4" SAE), Blue (1/4" SAE) Working Pressure: 800PSI / Burst Pressure: 4000PSI Pressure In PSI Measurement Fahrenheit Degree (F) Carrying Case Included