Sunsun 2015 HW404B 5-Stage 528GPH Aquarium Canister Filter with 9W UV Sterilizer Replace Old Model HW304B Model :HW-404B, 9w UV bulb 4 Layer/5 Stage 150 gallon, 55W 8.2 ft max, 525gph, 20 lb Dimensions 11" x 11" x 18"