PB 3300303 42" 8 Double Row Proex/Wire Main Broom for Power Boss 88 and SW/88 Series Sweepers. A mix of different diameter x-shaped polypropylene combined with crinkle wire. An excellent all-around sweeping broom. Proex & Wire brushes can be used indoor on smooth to irregular flooring surfaces with light to moderate debris. Stiffer than the 8DR Nylon brooms, the proex/wire broom can be used outdoors for litter collection on concrete and smooth to irregular asphalt. Can be used in wet conditions. 42" length. Drive hubs are recessed into core by 1-1/4". Fits Power Boss Model 88 and SW/88 (SW/88LD, SW/88HD) Series Sweepers. Will not fit SW/8X Armadillo Series (use PB 3305662). Replaces Power Boss 3300303, 300303. Our Part Number PB 3300303