TN 1201927 31" 18SR .030" Diameter Polyester Cylinder Scrub Brush for Tennant T12 Riding Floor Scrubbers. Polyester filaments are non-abrasive and long lasting. Polyester filaments wear longer than polypropylene (poly) brushes. Designed for light to medium duty scrubbing and jobs. These brushes are used for daily cleaning of light to moderate debris on unsealed concrete, sealed concrete, polished concrete, tile, rubber, stone, parking decking, and other similar surfaces. 18 single row high density configuration. These brushes have an extra row of filament at the ends for solution control. Fits Tennant T12 riding scrubbers (Cylinder Brush Models Only - for disc brushes, use our TN 1042499, 16" diameter Nylon). Splined Drive. Two brushes are required per model. Priced per brush. Replaces Tennant 1021927. Our Part Number TN 1201927