FLY HAWK cleaning brush: This heavy-duty cleaning brush is specially designed for swimming pools. It's an ultra-wide product designed to handle large 18.5-inch areas, so there's no dirt hiding place here, and you'll clean the pool faster than before. How to use: The length of the splicing pole is selected according to your needs. You can choose 2 FT and 8 FT. Connecting pool splicing pole Advanced materials: Flexible multi-bristle bristle brushes will not damage the inner liner of the swimming pool. Thick brushes can help you clean quickly and efficiently.