This 22" Soft Black Disk Scrub Brush for SUNMAX RT50, RT50 , RT50D, RT50D , RT50AC, RT70, RT70 Floor Scrubber Machines..

Made from durable polypropylene and designed to be gentle on surfaces, this brush ensures the highest quality floor care cleaning.

Medium gauge brushes (19 - 21 gauge), good for all-purpose cleaning on most floor types, including tile, grout, and wood.