Sunsun HW-702B 264 GPH 3-Stage External Canister Filter with 9W UV Sterilizer 3 Stage with UV 9W, 264gph Good for up to 75 gallon fish tanks Dimension: 9.5" L X 9.5" W X 15" H Built in 9 Watt UV sterilizer for controlling algae spores/bacteria and promoting clear water 3 Large Media Baskets for All Your Media Need