PB 381037 19" .022"/120 Light Grit Disc Scrub Brush for Minuteman / Power Boss Scrubbers. 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. 19" block diameter. Commonly listed as a 19" or 20" brush. Equivalent to Power Scrub (Rust), Scrub-Grit 2(Red), Mal-Grit Scrub (Green). Fits Hako / Minuteman / Multi-Clean scrubbers including Hako-Matic B53, Minuteman 200 (200B, 200E, 200TD, 200X, 200XTD), 205, 38B, 380, 3800 and 3880 scrubbers which require disc scrub brushes. Model 3880 can also take cylinder brushes. Please check your model before ordering. Two brushes required per model except for model 200/205. Priced each. Replaces Minuteman 381037