GPH MAX HEAD (FT) MAX SIZE of SOLIDS HANDLED PUMP MOUNTING OPTIONS PUMP DIMENSIONS (IN) WEIGHT (LBS) MODEL SPG-CI-50 | 10,8000 GPH 4 HP | 2" DISCHARGE View Model Performance Curve... OPTIONS PUMP DIMENSIONS (IN) WEIGHT (LBS) MODEL SPG-CI-75-79 | 21,000 GPH - 24,000 GPH 5-9 HP | 3" DISCHARGE View Model Performance Curve SPG-CI-75 5 3in Female NPT Std. 3/4 in SPG-CI...Welcome to Unitra Inc., Quality Original Equipment Pump Manufacturers since 1970 SPG CI SERIES: Solids Handling, 2", 3", 4" Self Priming Probably the most wanted of all pumps...