3 Lbs Pool Filter Balls Eco-Friendly Fiber Filter Media for Swimming Pool Sand

🏊‍Material: 700 grams (1.5 lbs) / 1400 grams (3 lbs) Fibre Filter Balls are made of polyester, polypropylene ball filters and acrylic fibres. Flexible, non-toxic and stable. 1.5 Lbs of filter balls is equivalent to 50 Lbs of filter sand.