The Yellow Jacket SuperEvac™ PLUS II Vacuum Pump. READY EVERY TIME! The Brushless DC (BLDC) Motor incorporated in the next generation YELLOW JACKET® SuperEvac™ PLUS II Vacuum Pump provides key advantages over existing AC technology vacuum pumps. High torque and high efficiency define the ultimate performance in the most reliable vacuum pump. Able to function in extreme low voltage conditions and field rated to 15 microns, the SuperEvac™ PLUS II is always ready. The easy-to-carry, lightweight design is available in 4, 6, 8, and 11 cfm models. High Torque, High Efficiency, Brushless DC (BLDC) Motor: High Torque means power is always there on demand, High efficiency means less mechanical and electrical stress; and long life, easily handles supply voltage variations; especially low voltage conditions, Starts and operates in extreme temperature conditions, especially low temperatures, over 20% lighter than AC motor-driven pumps, and no low battery condition – No Battery to let you down. Performance and Ergonomics: Convenient shoulder strap for easy carrying over long distances with built-in mount points, small oil bath requires less oil, Built-in cooling fins to cool the pump and increase performance, Oil suck-back valve, Elongated oil sight glass – easier to see oil level and condition, and Tethered oil drain plug. Features & Benefits: Designed for use with A2L systems, Isolation valve for oil changes without losing vacuum in the system, Gas ballast valve keeps oil cleaner, longer during the evacuation, Internal intake check valve to help prevent oil backup into the system and to maintain vacuum during a power failure, Intake filter screen keeps damaging particles from entering the pump, Heavy-duty rotors and bearings, Built-in vacuum gauge, Wide mouth oil reservoir port for easier, cleaner filling doubles as a pump exhaust – threaded to attach a garden hose for exhausting to a remote location, Large brass oil drain for easy access to fast oil changes, Downward angled oil sump to remove contaminants usually trapped in other pump designs, Non-sparking switch for A2L compliance, Locking, low-profile IEC connector with 9’10” (3 meters) power cord to prevent accidental removal, Heavy-duty steel handle, Lift hook for hoisting pump to rooftops, Two-year warranty, and Made in the USA.