UFF Jet Wash Regenerative Media Filter tank uses 304 or 316L stainless steel, and perlite as filter media, with AF WATER CONTROL control system to run the filter automatically. The UFF Jet Wash Regenerative Media Filter doesn t need to be backwashed like traditional sand filters, it regenerates the media every day to get an excellent filtering results. UFF Jet Wash Regenerative Media Filter suits for new or existing installations for pools / SPA / water park, etc. Filtration of Extremely Small Particles as small as 1 Micron High Level of Water Conservation Energy saving and Space & Construction savings Automatic controller with remote access ability Versatile: suitable for commercial swimming pools, water parks, zoo parks, fountains, SPA, health clubs etc. Efficient: Energy saving, environmental protection, automatic control system