Oase's third generation of Filto Clears filter water with mechanical and biological filtration and ultraviolet clarification (UVC). It has a compact filter size with high filtration capacity and is perfect for Fountain, Formal Spillway, Pond-free and Water Garden applications. Its high quality, impact resistant body can be buried up to the locking rings and concealed with an OASE Filto Cap. 3-densities of replaceable filter foams, plates and extra supports improve cleaning function and ensure long service life. 2-way Valve backflushes filter and directs waste with Easy-Clean Technology, no need to open filter or remove the cover. Monitor UVC, filter performance and pollutant level and change UV lamp all without opening filter. Newly developed bypass technology ensures constant water flow and prevents the filter from becoming clogged. Filto Clears come with a variety of fittings to accommodate a multitude of installations including metric and Sch40 fittings. When paired with the appropriate pump, this filter qualifies for the Clear Water Guarantee. The Filto Clear 8200 has a 60 watt UVC, a max flow of 4,500 gal., and can filter up to 8,200 gal. The Filto Clear 8200 has a light fish load of less than 8,200 gal., a medium fish load of less than 4,100 gal. and a heavy fish load of less than 2,050 gal. Replacement UVC bulbs and filter foams are available.