Wide of applications, it can be used in many places, such as the swimming pool, floor, wall, . This product has strong adsorb ability, it is stable and it is not easy to fall off after adhering, and it has strong practicability. , it has thick texture. It can be used for a long for time. Exquisite workmanship. It is round and smooth, with the firm structure, you will not hurt your hands when you use it. Specially designed vacuum attachment will vent under pressure when attaching a pool liner. When the vacuum is blocked or sealed on the pool floor, its double valves can release the suction, thereby reducing the pressure of the filter and the vacuum from attracting the pool lining.