The brushes, resembling paint rollers, are located on the front and back of the machine, and help to remove contaminating particles from the pool's floor, walls, and, in some designs, even the pool steps (depending on size and configuration).
The brushes, similar to paint rollers, are situated on the front and back of the machine, and serve to eliminate impurities from the pool's floor, walls, and, in some designs, even the pool steps (depending on size and configuration).