TN 240251-35 20" .035"/180 Mid Grit Scrub Brush with Lugs for Tennant, Blue Star 20" Floor Scrubbers. hmpsupply exclusive. Not available thru Tennant. .035" diameter DuPont Tynex-A or Hahls Nylon filament is impregnated with 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. Not for use on newly painted or high gloss flooring. Tynex-A or Hahls filaments outlast standard poly and Nylon filaments. We also offer a lighter .018"/500 grit scrub brush (use TN 240251) a more abrasive nylo grit scrub brush (TN 240252), or our most abrasive scrub brush, .065"/46 Heavy Grit (TN 240253). Fits Tennant branded floor equipment including Tennant 5200 (Battery and Electric Models), Nobles Speed Scrub 2001 (Battery and Electric Models) , 2001HD, WB-20E, BA-2000B, FS-2000 (Battery and Electric Models), and BlueStar 20" Automatic walk-behind floor scrubbers. One brush required per unit. Priced Each. Our Part Number TN 240251-35.