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"This 18 inch universal floor cleaning brush fits 2 of our walk behind scrubbers, which are the cafeteria floor scrubber, and our Reliable electric auto scrubber. The nylon bristles contained within the brush are the most durable scrubbing bristle in the industry. Nylon has the longest lifespan, and recovers its original form very easily. If your brush becomes deformed from storage, or heavy scrubbing, simply run it under hot water for 5 - 10 minutes and it will recover its original form.\r\nThere are 3 posts screwed into the top of block which are used by the head of the scrubber to turn the brush. The brush will not attach itself to the head of the scrubbing machine for transport, but it can be mounted on the side of the unit when moving from area to area. When you are scrubbing with the machine, the pressure of the brush head will keep the brush underneath the machine to clean areas thoroughly."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cleanfreak.com/equipment/floor/floor-supplies/brushes/scrubber-brush/18-inch-reliable-nylon-floor-clean-brush.html>