Draper Submersible Dirty Water Pump is ideally suited for general irrigating, draining inspection pits, trenches and footings where solids may be present. The maximum solid passable is 30mm. The pump can operate at a maximum depth of 8.5m and has a maximum flow rate of 166L/min. It comes with a 10m power cable and has a degree of protection against moisture of IP68, meaning it can be submerged in water up to a depth of 1m for up to 30 minutes. The pump is also equipped with a float switch, which automatically turns the pump on and off as the water level rises and falls.