CL 11439A / AL 11439 13" .035"/180 Mid Grit Scrub Brush for Clarke American Lincoln Encore L25HD, L2426, Vision V, Focus 26" Disc Brush Model Scrubbers. Our 13" diameter disc, .35"/180 grit (Equiv. to Clean Grit) scrub brush is designed for medium scrubbing tasks on most flooring surfaces such as vinyl tile, ceramic tile, terrazzo and harder rubber flooring. Can be used for scrubbing of older painted floors. Not recommended for newer, glossy painted or epoxy painted flooring. Long, durable filaments can reach into larger grout lines. Can be blue, grey or rust colored. Known as Scrub-Grit III, Clean Grit, Blue Grit or Mid Grit. Will not fit Encore S2426 (see 10152A). May also fit Clarke TB-60 scrubbers which do not require sectional brushes. Please check your model before ordering. Includes drive gimbal. 2 brushes required. Priced each. Replaces Clarke 11439A, 11439B. Our Part Number CL 11439A