Create a balanced ecosystem in your pond with the Aquascape UltraKlean™ 3500 Pond Filtration Kit. This kit provides efficient mechanical and biological filtration for ponds up to 3,500 gallons and includes an UltraKlean™ 3500 filter with a 28-watt ultraviolet clarifier and AquaForce® 5200 Solids-Handling Pump. The self-cleaning and electronic bulb-saver functions reduce maintenance, while the UV feature eliminates the single-celled algae that cause green water. Get the perfect combination of filtration equipment without the guesswork. The UltraKlean™ 3500 Pond Filter and AquaForce® 5200 Solids-Handling Pond Pump carry a 3-year limited warranty.