RIDGID 47303 1/2 HP Effluent Pump. This Pump is loaded with high-quality features that include a rugged cast-iron construction body, a 1/2" solids-handling capacity and 20? piggyback power cord to easily remove grey water from septic tanks, sump pits or laundry tray systems. This RIDGID 47303 1/2 HP Effluent Pump also comes equipped with a 11" footprint, a carbon/ceramic shaft seal for longer life, and upper and lower sealed ball bearings. The RIDGID 47303 1/2 HP Effluent Pump is fully covered under RIDGID's 3 year warranty, giving you the peace of mind that comes with the quality of all RIDGID products.