Challenger Grey Water Macerator Pump 250WThis Challenger Macerator Pump 250W is a grey water pump designed for pumping waste away from the shower. The pump is capable of pumping wastewater up to five metres in height and or up to fifty metres away from a soil stack. With a compact design, the pump can be installed under a raised shower base, placed behind a wall or beside a shower. Benefits & Features* Compact grey water pump Pumps waste away from shower or sink Install underneath a raised