Removable handle. Maneuverable. Qwik-Lock® wet filter maximizes tank capacity and provides easy filter changes. Exclusive Qwik-Lock wet filter and mechanical float shut-off breaks down foam and protects vacuum motor from debris and moisture damage. 3 layer fine dust cartridge filter is washable, reusable and clogs less than the standard foam filters. Built-in variable swivel caster wheel pattern allows for either 360° or stair-ready maneuverability.