This dirty water pump is manufactured from heavy-duty corrosion resistant materials including a stainless steel motor case and base cover built from polypropylene. Great for use in removing flood water as it is capable of operating in dirty water or other dense liquids and can deal with particles of dirt or grit up to 40mm in size. This pump also has an automatic cut-out which can be set at multiple heights by attaching a rope or cable ties to hold the pump at the level of your choice. The minimum working water depth is just 53mm. Suitable for the draining of basements or tanks and pumping of waste water and dense liquids. Automatically cuts out in low-level water Designed for use in dense and dirty water High flow rate up to 416ltr (92 gal)/min 25000ltr (5500gal)/hr Stainless steel motor case makes this pump corrosion resistant