Lotus Green Genie gravity fed pond filtration systems have been developed after consultation with water garden professionals and specialists in the field of water treatment. The award winning Green Genie combines one of Europe’s most successful bio-filters with state of the art U.V. technology. Dimple foam and Flocor® filter-medium ensure optimum mechanical and biological efficiency. The proven technology of the Lotus ultra violet clarifier completes the clear water process. Suitable for ponds : Low Fish Stocks: 24000Lts/5200Gals High Fish Stocks: 8000Lts/1750Gals Combined UVC: 25 watts Recommended Inlet Hose: 19/25/32mm Outlet Pipe (Rigid): 2x40 mm Max flow rate: 6000 litres per hour