DEWALT DC500 2-Gallon 12-to-18-Volt Cordless/Corded Wet/Dry Vacuum Runs off of 12-volt and 18-volt DEWALT battery packs (not included) or 120-volt ac Gore wet/dry filter traps 99.7% of drywall dust Wet/dry filter eliminates change overs Washable filter; tap or water rinse to clean Heavy-duty rubber hose provides durability and flexibility; drain port on tank for easy emptying of liquids