Floor Machine Brush, Application Scrubbing, Sweeping, Fits Machine Size 4 ft, 5 1/8 ft, 5 3/8 ft, Shape Cylindrical, Bristle Color Gray, Brush Diameter 12 in, Compatible with Manufacturer Part Number M30, Features Parts are Machine Specific, Tennanttrue(R) Brushes are Designed Uniquely for Tennant & Nobles Machines, Includes (1) Brush