1/2 gallon tank with heavy-duty latch is easy to empty and clean. Gore HEPA wet/dry filter traps 99.97% of dust at 0.3 microns. Tap or water rinse to clean filter. Dual clean-up modes allow for debris removal with either the front utility nozzle or extendable rubber hose. Heavy-duty rubber hose provides durability and flexibility. Large on/off switch is easy to access with one hand. Runs off 20V MAX lithium-ion DeWalt battery packs for long run-time. Bare tool – battery and charger not included.