The Dual R134a and R1234yf Evacuation and Charging Combo Kit allows the end user to vacuum, vacuum leak test, check vent temperatures, charge refrigerant and add oil/dye to any R134a or R1234yf A/C system. Spark-Free 6 CFM deep vacuum pump for all refrigerants Dual brass R134a and R1234yf manifold gauge set Set of 60” hoses Set of R134a standard couplers Set of R1234yf couplers R1234yf tank adapter R1234yf conversion fittings Dual oil/dye injector Includes FREE infrared thermometer