Swimming Pool Sand filters are the best filters available for Swimming Pools. These comprise of a pressure vessel made up of Bobbin Wound Fiberglass and a multiport valve. The vessel is filled with Filtration media. The media cleans the water when it passes through the filter at high pressure and all the impurities are left in the filter only. A sand filter will take care of all the Physical impurities (like sand, dust, dirt) dissolved in the water. The sand Filters are fitted with a multi-port valve which helps using the same filter for various functions. Filter (normal filtration and vacuuming), Backwash (cleaning filter by reversing the flow), Rinse (use flush dirt from valve) ,Waste (vacuums waste or lowers water level) ,Recirculate (by-passes filter for circulating water) ,Closed (shuts off all flow filter or pool). 100% water leak, pressure and functional factory tested ,Durable lever action handle, Wear-resistant rotator handle ,6 positions, positive –lock operation provides access to a full range of filtration