OASE FiltoClear 1600 Pond Pressure Filter with UV-C Clarifier (Discontinued by Manufacturer) Effective Pond SIze: up to 1600 gal. (without fish) Max. Pump Capacity: 1600 gph (min) Limited Warranty: 2 Years Power Consumption: 9W Max. Input Pressure: 7.25 psi (16 ft.)