PB 3332541 42" Stiff Poly Cylindrical Main Sweep/Scrub Broom for Power Boss 9082, Monitor 82 Series Double Scrubbers. Economical, stiff polypropylene filaments are great for general duty scrubbing on sealed and unsealed concrete with light to moderate soils. Polypropylene filaments are arranged in a longer lasting 24 single row configuration. Fits double scrubbers from Power Boss including 9082 and Monitor 82 scrubbers which require one 42" cylinder sweep/scrub brushes. These units also require clip-on power drive style disc scrub brushes; 3 standard and 4 if using a side scrub brush option. Priced each. 1 cylinder scrub/sweep brush required per unit. Replaces Power Boss 3332541