PB 7307.02 13" .018"/500 Light Grit Scrub Brush for Minuteman Power Boss E26, H26, E Ride 26, Phoenix 26/28, Admiral 26 Automatic Floor Scrubbers. Our lightest grit brush. Light aggressive grit, .018"/500 grit, grey, light blue or light green Hahls or DuPont Tynex-A or Hahls filaments are used for medium, general duty scrubbing on polished concrete, non-slip flooring, tile, ceramic tile, urethane coated flooring, terrazzo, unsealed concrete, and sealed concrete with light to moderate dirt and debris. The .018" diameter grit filaments outlast standard Nylon filaments. These filaments are extruded with small 500 grit silicon carbide granules for it's slightly aggressive touch. Replaces light green floor pads. For a slightly more aggressive grit brush, use PB 7519, Power Scrub Brush .022"/120 grit (the lower the grit number, the more aggressive it is). Splined center drive with 6 locking "fingers". 13" (330mm) brush block diameter. Fits Minuteman E26, H26, Phoenix 26 walk behind scrubbers and Minuteman Power Boss Admiral 26 and E Ride 26 disc brush model riding floor scrubbers. Will not fit Phoenix 28XL and Admiral 28 Plus (use PB 3315386). Two disc brushes required. Priced Each. Replaces Hako 7307.02, Minuteman 7307.02. Our Part Number HK 7307.02, PB 7307.02