Check the listing for details. Medium Duty Scrub Brush - Prolux Core Buffing Machine Moderate Surface Cleaning. Condition: New. Listed at 72.99 USD. Questions? Click here! Over 100,000 Cleaners sold.......We Know Clean! Description New Medium-Duty Brush for 13 inch Prolux Core. Need something other than the heavy-duty brush that came with your Prolux Core? Try out this medium-duty brush for less abrasive cleaning! Like other Prolux Core brushes, this works great on all hard-floor surfaces. We also sell a light-duty brush for even more gentle cleaning. Think of it like a toothbrush - stiffer bristles means deeper cleaning but can also hurt your gums, so choosing the right hardness for your application is important for clean, long lasting floors! (Only compatible with units purchased in 2021 and older) WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov . FAST SHIPPING - At Great-Vacs we ship fast ! For expected delivery times SKU # core_black