Rug Renovator Carpet Shampoo Brush with Telescopic Handle 2118B It houses the switch that

It houses the switch that controls power to the motor

Function: seals the motor shroud joint for correct airflow

Bearing blocks sit at each end of the brush roll and support it as it spins

This replacement restores optimal floor-to-nozzle contact

Rug Renovator Carpet Shampoo Brush with Telescopic Handle 2118B It houses the switch thatThe Rug Renovator carpet shampoo brush combines a scrubbing head with a telescopic handle for hands free agitation while you shampoo carpet, tile, or grout. The extended reach lets you work stains from a comfortable standing position. Worked in shampoo needs agitation to lift soil from the pile, and doing that on hands and knees is slow and tiring. This brush drives the cleaner into the fibers with steady pressure, helping stubborn spots and traffic