PB 3300793 14" .030" Nylon Scrub Brush with Lugs for Power Boss Scrubbers. Long lasting .030" diameter Nylon filament for general duty scrubbing of most surfaces including sealed or polished concrete flooring, painted and epoxy painted flooring and sealed or painted concrete flooring with light debris. These disc brushes can also be used on tile, stone, terrazzo and other stone surfaces. Will not damage older painted or epoxy painted flooring surfaces. Nylon brushes outlast poly brushes. Commonly white or black in color. Include 3 drive lugs (arranged around a 5-1/2" center hole). These are the older style scrub brushes used on models including 62, 65, 78, 80 and 82 Series scrubbers. Please check your model before ordering. For the newer PowerDrive style clip-on brushes, use 3313135, .030" Nylon. Most machines require 3 brushes (4 if using a side scrub brush). Priced each. Replaces Minuteman / Power Boss 3300793. Our Part Number PB 3300793