Swimming pool filter sand tank

①：Material:Glass fiber，Corrosion resistant ,Wear-resistant and sun-resistant；

②：High-precision filtration, clean water!

③：Full filter wrapped with high-quality fiberglass, greatly enhancing the pressure resistance!

④：6 functional valves are integrated. Different functions can be switched freely. The pool water can be filtered and clear.

⑤：Thoughtful design with detailed details, simple and convenient maintenance.

⑥：Suitable for water filtration and purification in various large and small indoor and outdoor swimming pools, hot spring pools, and spa pools.