The only filter of its kind with a patented design, self-priming, bottom-mounted motor, the magnum canister filter provides . Includes: Carbon/Media Container, Water-Polishing Micron Cartridge, Rite-Size Foam Sleeve, Siphon Kleen Gravel Washer, Double Quick-Disconnect Valves, Black Diamond Premium Activated Carbon, Flexi-Brush, Intake Extension Tube. Certified Flow: 350 Gph 350 GPH GREEN