OASE BioSmart 10000 Pond Filterbr Click below to buy on Amazon: br Effective Pond Size up to 10000 gal without fish br Recommended Pump Capacity 1600 gph min to 3000 gph max br Limited Warranty 3 Years br Filter Foams 9 4x Red 4x Blue 1x Green br Intake Connection 1 12 in threaded female 2 x