Runs off of battery packs or electricity. High efficiency filter traps 99.7% of drywall dust. Wet / Dry filter eliminates changeovers. Washable filter- tap or water rinse to clean. Drain port on tank for easy emptying of liquids. On-board hose, cord & accessory storage provides convenient transport & storage. Voltage: 120 V AC; 12 to 18 V DC; Tank Capacity: 2 gal; Color(s): Black / Yellow; Filter Types: Sponge.