Max Flo Pump - Solids Handling, 2000 GPH Anti-leaf ribs to assure continuing suction. Cage openings from 1/4" to 5/16" in diameter according to the pump size for solids handling capability. Unique two-level suction capability, through upper and lower casing, for maximum water flow. Pump cage can be anchored to a fitted ballast, allowing easy removal for service with a twisting motion.