ARKSEN Rotary Vane Vacuum Pump 5-CFM, 1/2-HP, AC Refrigeration A/C, R134A, HVAC Quick disconnect couplers for high/low fittings included (R134a) 1/2HP 5CFM Single Stage Vacuum Pump Red & Blue 5 feet long charging hose ( 1/4" FFL x 60" with knurled fittings) Each coupler have a shut off valve to prevent loss of refrigerant Includes a Bottle of Vacuum Oil FREE