AD 56314386 26" .035"/180 Mid Grit Abrasive Cylinder Scrub Brush for Nilfisk Advance Convertamatic 26C Scrubbers. Our third heaviest grit scrub brush for moderate soils. Great for medium to heavy duty scrubbing of sealed or unsealed concrete flooring or even aging sealed flooring surfaces. Can also be used for scrubbing tile with grout lines less than 1/2" in width. .035" diameter Tynex-A or Hahls Nylon filament impregnated with 180 grit silicon carbide granules. Equivalent to MidLite Grit, Scrub-Grit III, and Clean-Grit (Usually blue in color). High density 16 single row bristle configuration. Actual length is 24.875". Fits Nilfisk Advance Convertamatic 26 cylindrical scrub brush models which include 26C-C and X26C-C. Replaces Nilfisk Advance 56314386, 314386. Our Part Number AD 56314386