SunSun HW-304B 5-Stage External Canister Filter with 9-watt UV Sterilizer 525 G 6789 Model :HW-304B, 9w UV bulb 4 Layer/5 Stage 200 gallon, 55W 8.2 ft max, 528gph, 14 lb Dimensions 11.4"x11.4"x19.1"