Floor Machine Brush, Application Sweeping, Fits Machine Size 40 in, 42 in, 4 1/2 ft, 4 5/8 ft, Shape Cylindrical, Material Polypropylene, Bristle Material Polypropylene, Bristle Color Black, Brush Diameter 12 in, Block Size 40 in, Compatible with Manufacturer Part Number M20, T20, Features Designed for Tennant & Nobles Machines, For Indoor or Outdoor Use, Not Recommended for High-Temperature Applications, Parts are Machine Specific, Includes (2) Brushes