This nylon carpet scrubbing brush fits directly onto any 20" rotary floor buffer, and is meant to be used with a machine that has a 1.5 HP motor. The brush is equipped with two more aggressive outer rows of white bristles that scrub the carpet and break loose any dirt or debris. The inner rows of black bristles than follow behind and further work to break the dirt from the carpet strands. The inner carpet glide allows the brush to scrub consistently at the same height without digging too deeply into the carpet.The deck of this larger brush has showerfeed holes that allows you to use a shampoo tank with your floor buffer and directly dispense your carpet scrubbing solutions onto the carpeting. Many of our smaller brushes do not feature these showerfeed holes due to the small diameter of the block. Please take a look at our complete selection of carpet scrubbing brushes for different sizes and options.This 20 inch brush comes with a universal clutch plate that will work on almost all floor buffers on the market. The block actuall measures 18 inches in diameter to fit underneath a 20 inch floor buffer apron. The bristles will splay out and scrub a 20 inch path.You must break this brush in before using it on carpeting. First remove the carpet glide, so you do not scratch this during the break-in procedure. Second, you need to run the brush on a concrete surface to remove any burrs, and to help soften up, or "break-in" the bristles. This helps the brush to work more easily on any type of carpeted surface.
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