Dry only, three stage filtration system includes disposable collector bag, pre-filter and H.E.P.A. filterH.E.P.A. filter is 99.97% efficient at 0.3 microns, tested in accordance with IEST-RP-CC007 standardsQuiet, powerful vacuum motorRugged, low profile, easy to maneuver polyethylene tank designEach unit includes 1 x 8 hose, telescopic operator handle, crevice, dust brush, combo floor tools and package of 10ea collector bagsConveniently located onoff power switchPatented self-sealingquick-release intake mechanismFull bag indicator light alerts the operator that the unit is full andor that the filters need servicingPolyethylene tank is non-corrosive and dent proof, carrying a 10 year warranty4-stage filtration system (with optional cloth filter bag) extends life of H.E.P.A. filter