TN 1201572 31" 18SR Poly Cylinder Scrub Brush for Tennant T12 Riding Floor Scrubbers. A softer version of the stiff poly (TN 1201926). This poly cylinder scrub brush uses a smaller diameter .025" polypropylene for light to medium duty scrubbing jobs on unsealed concrete, sealed concrete, polished concrete, tile, vinyl, terrazzo, etc. 18 single row high density configuration. These brushes have an extra row of filament at the ends for solution control. We also offer a longer wearing .030" polyester scrub brush (use our TN 1201927). Fits Tennant T12 riding scrubbers (Cylinder Brush Models Only - for disc brushes, use our TN 1042500 - 16" stiff poly, TN 1042499 - 16" Nylon, or TN 30241 - 16" .028" poly). Splined Drive. Two brushes are required per model. Priced per brush. Replaces Tennant 1021572. Our Part Number TN 1201572