The Green Genie from Lotus is a biological filter & ultraviolet clarifier designed to provide clean clear water. The biological filtration uses Dimplefoam & Flocor media to ensure the pond water is kept free of pollutants & provide a healthy environment for your fish & plants. The ultraviolet clarifier reinforces this & maintains clear water in your pond. Low maintenance & easy to clean each filter component can be removed Above ground installation top outlet allows partial burial A spray bar oxygenates water to aid filtration Fitted with an inlet flow control for regulating water flow 1 year guarantee for additional information on the Lotus Green Genie.