Check the listing for details. JB DV-142-FLEX 5CFM Battery Vacuum Pump. Condition: New. Listed at 1042.55 USD. JB DV-142-FLEX 5CFM Battery Vacuum PumpEXTRA FREEDOM EXTRA POWER EXTRA CAPACITYWork better with the Dealer Design Award Winning PLATINUM® FLEX battery or AC powered vacuum pump. American made top-of-the-line for both quality and durability—Pump of Choice for HVAC/R techniciansPowered by JB’s 9.0 Ah/18v lithium-ion battery or auto-switching dual voltage AC Adapter1/2 HP DC brushless motorLow battery warning light with audible alertEasy access 1/4", 3/8" or 1/2" intake tee15 micron vacuum ratingGas ballast and blank-off isolation valveMetal construction with finned aluminum heavy-duty housing, brass fittings, and stainless steel valvingErgonomic 1/2" NPT exhaust handle with lift ringLarge, easy-to-read oil level sight glass with easy access oil fill located on coverO-ring sealed oil drain valve to prevent leaks and tethered safety cap to prevent oil spillsInternal check valve prevents oil backflow during power failureField repairable