3.1lbs Pool Filter Balls, Reusable Eco-Friendly Fiber Filter
3.1lbs Pool Filter Balls, Reusable Eco-Friendly Fiber Filter Balls for Swimming Pool, Filter Balls Suitable for All Sand Filter Systems(Equals 100lbs Pool Filter Sand). [ Eco-Friendly Pool Filter Balls ] Made of polyester, polypropylene spherical filter & acrylic fiber. Filter balls high filtration strength, fast filtration speed, long service life, reusable, good elasticity & low loss. also have the ability...