PB 430144 16" .022"/120 Light Grit Disc Scrub Brush for Hako / Minuteman. Long lasting .022" diameter Tynex-A or Hahls Nylon filaments impregnated with moderate 120 grit silicon carbide granules. These light grit brushes are perfect for top scrubbing of hard ceramic tile, marble, non slip textrued flooring, quarry tile, vinyl and terazzo surfaces. The small .022" diameter is also great for cleaning grout lines less than 1/2" in diameter. Includes Minuteman drive gimbal. 16" block diameter. Commonly listed as a 17" brush. Commonly red, green or grey in color. Equivalent to Scrub-Grit II (Red), Mal-Grit Scrub (Green). Fits Hako / Minuteman scrubbers including B43, 170, 170B, 170TD, 175, 32B, 320, 3200 and 340. Two brushes required per model except for models B43/170/170B/170TD/175. Priced each. Replaces Minuteman 430144. Our Part Number PB 430114