Wayne 58112-WYN2 1/2 HP Cast Iron Sewage Pump 18 in. X 30 in. Basin No discharge cover For use with sewage/dewatering pumps 90 day warranty Pumps up to 7680 GPH at 0' 2" NPT discharge capable of handling 2" solids Designed for easy installation without plumbing changes Designed for residential and light commercial sewage applications Lower ball bearings for quite operation