FC 23-421C 23" .035"/180 Mid Grit Scrub Brush for Factory Cat Tomcat Floor Scrubbers. .035" diameter DuPont Tynex-A Nylon or Hahls filament is impregnated with slightly abrasive 180 grit silicon carbide granules. These mid grit brushes can be used on most painted shop flooring, older sealed concrete, unsealed concrete, tile, stone, terrazzo, quarry tile, rubber, textrued synthetic flooring and other surfaces. The long trim scrub brushes can reach into grout lines for excellent cleaning results. Our most popular grit brush. Designed for everyday general duty cleaning of dirt and debris. Great for textrued flooring surfaces. Not for use on newly painted or high gloss flooring. Slightly more aggressive than Light Grit. Equivalent to Midi-Grit, Scrub-Grit II, Clean Grit. Commonly blue, grey, or rust in color. Replaces blue floor pads. Tynex-A or Hahls filaments outlast standard poly and Nylon filaments. We also offer a heavier .050"/80 Grit scrub brush (FC 23-421S), or a lighter Scrub grit .022"/120 grit scrub brush (FC 23-421PS). Includes 8 point clutch plate. Some older models require a 6 point clutch plate (if a 6 point plate is needed, please reference this in the Special Instructions box at checkout). Please check your existing brush set-up before ordering. Fits Factory Cat and Tomcat branded floor equipment including Factory Cat MiniMag 23D, Tomcat 2300D, 2023-23 walk-behind floor scrubbers and model 23, 420D 430D, XR-46 riding scrubbers. May also fit other models. One (MicroMag 23D, 2300D, 2023-23), two (23, XR-46) brushes are required per unit. Priced Each. Replaces Factory Cat 23-421C. Our Part Number FC 23-421C.