This Karcher accessory can be used in conjunction with any K series Karcher pressure washer. The suction hose will take water from a source and suck it directly into your pressure washer.This hose can use water from such sources as ponds, water butts, and tanks. No further connection is necessary. Ideal for those areas where water supplies are short or where an outside water connection is not possible.Features:- Draws water from a harvested source, e.g. water butt, pond or bucket.- No further water connection necessary- 3m length with filter and suction valve- Fits all Kärcher K2 - K7 models, and Xpert.Important:Officially K2 models are not compatible with a suction hose as they require the static water source to be elevated above 18" (the higher the better) so as to gravity assist the flow of water. This is because the lower wattage machines do not have enough power to suck water from a static source without gravity help. Generally the higher the model the better when using a suction