The model F strainer is a heavy duty, rugged, cast-iron strainer designed to withstand the most adverse conditions. The body walls are the thickest in the industry, providing unsurpassed corrosion allowance. Coupled with a heavy duty basket, or with the optional Wedgewire basket, the model F will provide years of cost free service. Operating costs can be reduced even further by selecting the back-flushing option. In terms of a strainer’s life cycle cost, the model F is one of the most cost-efficient options available. Combined with its unsurpassed performance and reliability, it’s the only heavy duty simplex to choose.