Equip your semi to be Ready for the Road Ahead , with the Mastercool 6 CFM Single Stage Vacuum Pump, a crucial device that reliably removes air and gas from a sealed AC system. To remove wet air and other gaseous vapors from the air conditioning unit, this vacuum pump features a high-volume fan that provides cool air to the motor and pump, a vapor discharge/oil fill port for easy removal, and an internal check valve to prevent the escape of liquid oil. Crafted with an easy-grip handle and ergonomic design for easy transport. The air conditioning and heating system in heavy duty trucks has a major impact on drivers’ safety and comfort level. Whether you are looking for A/C compressors, condensers, driers, freon, or blower motors, FleetPride has the part you need to make sure your air conditioning and heating are well maintained. Keep your heavy duty fleet operations working as productively and efficiently as possible by finding the right air conditioning and heating part for you. FleetPride is your First Click in Heavy Duty .