FC 13-421P 12" .028" Poly Disc Scrub Brush for Factory Cat 25, Tomcat 2500D, MiniMag 26D, Magnum 26D and GTX 250-26D Disc Brush Model Scrubbers. General duty and economical .028" polypropylene scrub brushes are an inexpensive alternative to the more expensive grit or nylon brushes. Black or blue .028" poly scrub brushes can be used for everyday light to general duty scrubbing on hard surfaces including tile floors, rubber flooring, quarry tile, sealed concrete, epoxy painted flooring, painted concrete or polished concrete flooring. These are commonly used on newer sealed or unsealed concrete flooring with light debris. Includes 8-Point clutch plate with spring clip. 12" diameter block with a 13" scrub path. Commonly listed as a 13" brush. Most machines require two brushes, priced each. These are commonly bundled to reduce shipping costs. If a less aggressive brush is needed for fear of dulling shiny flooring, ask us for our .020" poly brushes. Some of these models require either disc or cylinder scrub brushes. Please check your model before ordering. Replaces Factory Cat Tomcat 13-421P. Our Part Number FC 13-421P