The dewalt dcv517n cordless xr wet dry vacuum has a large 19 litre tank capacity for cleaning up large amounts of debris the heavy duty washable filter is highly efficient traps 997 of dust as small as drywall and cement dust single latch tank removal allows for quick and easy emptying of the tank the rubber hose is extendable to 1 metre for added flexibility for a wide range of applications runs off a single 18 volt li ion ni mhni cd battery not supplied allowing quick and easy change between