This aftermarket Tennant scrubbing brush is perfect for cleaning unsealed or sealed flooring with its stiff poly bristles. Designed for use with the M20 and T20 models, this cylindrical brush rotates to effectively scrub away dirt and grime. It fits a 40" machine and has 24 stiff poly bristles to ensure a thorough cleaning. This scrub brush is a must-have accessory for anyone looking to keep their floors spotless.