PB 281529 28" .035"/180 Grit Mid-Grit Abrasive Cylindrical Scrub Brush for Minuteman / Power Boss SCV28 Riding Scrubbers, CP 2832 and ES 2832 (28") Walk Behind Scrubbers. Our .035" diameter, 180 grit filament is great for general duty, every day scrubbing tasks on unsealed concrete, sealed concrete, older painted and epoxy painted flooring and most tile and stone surfaces. Much softer than the aggressive .070"/46 grit (281527) brushes. Long lasting DuPont Tynex-A or Hahls Nylon filament impregnated with 180 grit silicon carbide granules. Equivalent to Powergrit 120AGS. Commonly blue in color. Actual measurement of 27-1/4" (Brushes are staggered on scrubber). Not recommended for painted or epoxy painted flooring. These can be used on older painted flooring. Fits Minuteman / Power Boss SCV 28/32 28" Cylindrical Brush Models which include SCV28C, SCV28CQP, SCV28CPLUS. These also fit Minuteman CP 2832 and ES 2832 28" Cylindrical Brush Models which include CP28, ES28, CP28C, ES28C, CP28CQP, ES28CQP, CP28CQPIW, and ES 28CQPIW. Some machines require disc brushes instead of cylinder brushes. Please check your model before ordering. Two cylindrical brushes required per unit. Priced each. Replaces Minuteman / Power Boss 281529, 281528