FC 23-421P 23" .028" Poly Scrub Brush for Factory Cat Tomcat Floor Scrubbers. Our most economical brush option. General duty .028" medium polypropylene. Polypropylene filaments can be used on most flooring surfaces including concrete, tile, stone, quarry tile, terrazzo, rubber, textrued rubber, textrued epoxy, and almost all other flooring surfaces. These .030" poly brushes should not be used on newer high gloss flooring surfaces. A soft nylon brush should be used. 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, 2023-23, Tomcat 2300D walk-behind floor scrubbers and model 23, 420D 430D, XR-46 riding scrubbers. May also fit other models. One (MicroMag 23D, 2023-23, 2300D), two (23, XR-46) brushes are required per unit. Priced Each. Replaces Factory Cat 23-421P. Our Part Number FC 23-421P.