Tech'n'Toy SunSun HW-403B 370 GPH 4-Stage External Canister Filter with 9W UV Sterilizer Good for up to 100 gallon fish tanks Dimension: 10.5" L X 10.5" W X 17" H Flow rate: 370 GPH (1400L/hr.) Built in 9 Watt UV sterilizer for controlling algae spores/bacteria and promoting clear water Capable of mechanical, biological and chemical filtration