13 Inch disc 180 grit abrasive scrub brush. Alternate brush option that fits the Tennant T12 (26"). This brush is less abrasive than the 46 and 80 grit but more abrasive than the 120 and 500 grit options available for the Tennant T12. Compare to Tennant 1220232 (Super Abrasive 46 Grit)

Fits Aftermarket Tennant 1220232 180 Grit (779292A)