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PB 381040 19" .050"/80 Grit Nylo-Grit Abrasive Disc Scrub Brush for Minuteman / Power Boss Scrubbers. Our second heaviest grit scrub brush for aggressive scrubbing and stripping jobs. Designed for cleaning packed dirt and heavy debris on unsealed concrete, older sealed concretet and asphalt surfaces. Long lasting .050" diameter DuPont Tynex-A or Hahls Nylon impregnated with large 80 grit silicon carbide granules. Includes Minuteman drive gimbal. 19" block diameter. Commonly listed as a 19" or 20" brush. Equivalent to Poly Grit, Nylo-Grit (Black), Mal-Grit (Black). 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 38104
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