Pentair Lifegard Complete Pond Filter System * Complete fountain and filtration kit for ponds and water gardens * Built-in 9w UV clarifier helps keep pond water clean and clear * Easy-to-install pond filter kit sets up right out of the box Pond filter installation has never been easier. The Pentair Complete Pond Filter System takes the guesswork out of complicated pump and filter selection. Compact, submersible pond filtration system provides mechanical and biological filtration plus the built-in 9-watt UV clarifier