These 14" nylon bristle brushes are used for daily scrubbing operations in light to medium duty applications on the IPC Eagle CT51, , CT71, CT80, , & automatic floor scrubbers. Great for a wide range of cleaning, like retail floors, and automotive repair shops. To help the brushes recover their form, run under hot water for 5 to 10 minutes after scrubbing your floor. Do not left brushes rest on the floor, when not in use.