Applicationfor R12 R22 R134A R410A refrigerants Compatible for AC charging diagnostic check recovery and evacuation work.Features4pc 5FT Freon Charging Hoses : red for high pressure blue for low pressure yellow for refrigerant bottle black for vacuum pumpBurst pressure: 4000PSIMax working pressure: 800PSIPackage Include4 x Hoses2 x Adapters1 x Manifold Gauge Set1 x 1/2"ACEM1 x 1/4"ACEM1 x Valve Spanner1 x three-color Tube Backup set1x Carry Compatible for CaseNotice* Professional installation is highly recommended (No Instruction Included)* For any needs please contact usWarranty: one year warranty for any manufacturing defect