Vacuuming with twice the power: Two 18 V batteries supply a powerful 36 V motor for demanding cleaning tasks. The WD 4-18 Dual cordless wet/dry vacuum cleaner is part of the 18 V Kärcher Battery Power battery platform and offers maximum freedom of movement when vacuuming. The appliance, the 2.2 metre suction hose and the clip-on floor nozzle are optimally matched to each other and remove wet, fine or coarse dirt in no time at all. The vacuum cleaner has a shock-resistant 20-litre plastic container, fleece filter bags and a flat pleated filter, which is suitable for non-stop wet and dry vacuuming without changing the filter. Thanks to patented removal technology, the filter can be removed and cleaned in seconds - without coming into contact with dirt. The blowing function helps where vacuuming is not possible. The suction hose can be stored safely and in a space-saving manner by attaching it to the appliance head. Pipes and floor nozzle can also be stored quickly and conveniently on the bumper. Other features include the ergonomic carrying handle and the "Pull & Push" locking system for easy opening and closing of the container. 18 V + 18 V = 36 V Power: Powerful 36 V motor powered by two 18 V Li-Ion batteries. Real Time Technology with LCD battery display: remaining run time, remaining charge time and battery capacity. The cordless wet/dry vacuum cleaner with the highest suction power in the Kärcher Home & Garden range. Patented filter removal technology: The filter can be removed quickly and easily in seconds by folding out the filter cassette - without any contact with dirt. For wet and dry vacuuming without additional filter changes. Practical blowing function: The practical blowing function helps wherever vacuuming is not possible. Effortless dirt removal, for example from a gravel bed.