The Aquascape Large Pond Kit comes complete with everything you need to build a beautiful 21' x 26' ecosystem pond in any space. All necessary components are provided in a convenient, all-in-one kit that takes the guesswork out of purchasing individual components. The included skimmer and BioFalls® filter provide efficient mechanical and biological filtration, allowing you to spend more time enjoying your pond. The innovative AquaSurge® 4000-8000 Adjustable Flow Pond Pump provides flow rates up to 7,793 gallons per hour and allows you to adjust the flow of the pump wirelessly. A complete LED lighting package is included to help bring the pond and waterfall to life at night. The kit also includes the Automatic Dosing System for Ponds with a complementary water treatment. The Automatic Dosing System automatically adds water treatments to the pond when needed.