PB 281522 28" .026" Medium Poly Cylindrical Scrub Brush for Minuteman / Power Boss Admiral 28/32, Admiral 28 Plus, Phoenix 28XL, SCV28 Riding Scrubbers, CP 28/32 and EasyScrub ES 28/32 28" Walk-Behind Cylinder Brush Models. Medium .026" polypropylene filament for economical general duty scrubbing of sealed or polished concrete flooring, painted and epoxy painted flooring and sealed or painted concrete flooring with light debris. These cylindrical brushes can also be used on tile, stone, terrazzo and other stone surfaces. Will not damage older painted or epoxy painted flooring surfaces. Poly brushes do not wear as long as nylon. Soft Nylon (281520) brushes are recommended for newly painted or epoxy painted flooring. For a stiffer Nylon, use 281521, .030" Nylon. Usually white or black in color. Actual length is 27-1/4" (Brushes are staggered). Fits Minuteman / Power Boss Admiral 28/32 (28" Cylindrical), Admiral 28 Plus, Phoenix 28XL, SCV 28/32 (28" Cylindrical) Brush Models which include SCV28C, SCV28CQP, SCV28CPLUS, ADMER28C, ADMER28CPLUS, and ADMER28CQP. Also fit CP 28/32 and ES 28/32 Walk-Behind Models which include CP28, ES28, CP 28C, ES28C, CP28CQP, ES28CQP, CP28CQPIW and ES28CQPIW. These may fit other models. Some machines require disc brushes or the longer 32" cylinder brushes. If your existing brushes are splined drive (8 splines on one side and 9 on the other), use our PB 7096. These brush cores have two notches on once end. Please check your model and drive set up before ordering. Two cylindrical brushes required per unit. Priced each. Replaces Minuteman / Power Boss 281522. Our Part Number PB 281522