AQUATOP HC300-UV 300 GPH HOC Hang-on Canister Filter w/ 7W UV

Advanced 5 Stage Filtration system including Mechanical, Chemical, and Biological media Easy-change, Drop-in media tray Pressurized filter chamber allows zero water bypass, complete 100% water filtration Self-adjusting surface skimmer removes particulate and organic matter from the water surface, providing better light penetration and allowing for proper gas exchange Contains a built in 7W UV unit for crystal clear water Fits on up to 1in aquarium frames Safe for fresh or salt water aquariums