PB 430137 16" .018"/500 Soft Grit Disc Scrub Brush for Hako / Minuteman. Our lightest .018" diameter 500 grit scrub brush. Long lasting .018"/500 grit scrub brushes can be used for light scrubbing of sealed and epoxy painted flooring. These brushes have the advantage of long life as compared to their Nylon or Poly counterparts. Will not damage older painted or epoxy painted flooring. Do not use on newly painted flooring or those with a high shine. These brushes are also great for lighter cleaning of small grout lines. Includes Minuteman drive gimbal. 16" block diameter. Commonly listed as a 17" brush. Lighter than the Light Grit (430144). Commonly light green, red, or grey in color. Equivalent to Dyna-Scrub (Light Green), Mal-Grit Lite (Red). 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 430137. Our Part Number PB 430137