AquaTop CF Series Canister Filter (370 and 525 GPH with UV) Includes UV Serilizer to eradicate algae spores and harmful bacteria Suitable for tanks up to 175 gal Extremely quiet 4+1 Stage filtration system 525 gals/hr Suitable for tanks up to 175-gallon 9-Watt UV sterilizer Dimensions: 18-Inch by 12-Inch by 11-Inch