ST0720250F4C -2-1/2" Cast Iron Flat Face Eaton Model 72 Simplex Basket StrainerPart ST0720250F4C is a 2 1 2" flanged cast iron strainer by Eaton. This model 72 simplex basket strainer has been an industry standard for over 70 years. Get the best in the industry with a heavy body design, large capacity basket, precision machined seat and more. The free straining area is huge at least sixe times the cross sectional pipe area (with perforated basket)! Get pricing and availability today.