Applicationfor R12, R22, R134A, R410A refrigerants compatible for AC charging, diagnostic check, recovery & evacuation work. Features 4pc 5FT Freon Charging Hoses: red for high pressure, blue for low pressure, yellow for refrigerant bottle, black for vacuum pump Burst pressure: 4000PSI Max working pressure: 800PSIPackage Include 4 x Hoses 2 x Adapters 1 x Manifold Gauge Set 1 x 1/2"ACEM 1 x 1/4"ACEM 1 x Valve Spanner 1 x three-color Tube Backup set 1x Carry compatible for Case Notice* Professional installation is highly recommended (No Instruction Included) * For any needs please contact us