Duplex Basket Filters are available with twin 3 way valve, sliding gate valve, butterfly valve, 6 way cam type valve, multi basket with common header designs with options of manual changeover of valve, automatic changeover of valve, manual backwash of filters and automatic backwash of filters. Each one of these filters are individually designed based on free flow area and pressure drop allowance values as required for the application also available in cast constructions. These can be supplied with wedge wire elements or perforated sheet and wire mesh as filtration media.