16" Tynex Abrasive Scrub Brush 80 Grit
17" Abrasive brush to fit Omnia 32, Flexy 85 and Tripla 85.
Suitable for more stubborn dirt. Provided with a cylindrical brush system which, not only scrubs but also picks up solid dirt such as cigarette butts, wood shavings and small metal residues that it conveys into a special hopper which can be easily removed for emptying.
This part can be seen in the below parts diagram labelled as part #14
