The DEWALT DWV901L Compact Wet & Dry Dust Extractor features an innovative dual filter cleaning system that maintains performance during tough applications The filter is automatically cleaned every 30 seconds reducing filter clogging and delivering a constant air flow It is L Classified to meet EU legislation The vacuum offers constant suction power even with the finest concrete and wood dust It has a durable tank construction suitable for tough wet and dry jobsite applications It is fitted with a built-in power take off socket that allows a power tool to be connected for automatic switching of the vacuum system when the power tool is operated The machine continues to run for an extra 15 seconds to allow all dust to be cleared from system It is supplied with a 40m x 32mm extraction hose a 35mm AirLock adaptor and a dust bag Specification Input Power 1400 Watt Power Take Off Rating 1800 Watt Capacity Wet 175 Litre Dry 30 Litre Max Air Flow 4080lmin Weight 95kg