Sunsun HW-404B 525 GPH 5-Stage External Canister Filter with 9W UV Sterilizer Good for up to 150 gallon fish tanks Dimension: 11" L x 11" w x 19" H Flow rate: 525 gph (2000L/hr) Pump power: 55W Built in 9 Watt UV sterilizer for controlling algae spores/bacteria and promoting clear water