General description FLITI Filter Balls are a lightweight and efficient alternative to traditional filter sand, offering a powerful solution for swimming pool cleaning. With a weight of only 700g, these filter balls are equivalent to 25kg of filter sand, making them easier to handle and install. They are designed for durability and energy efficiency, as they can be washed and reused, significantly extending their service life. Technical specifications Weight: 700g Size: Ball diameter 50mm Material: Fiber polyester Color: White Usage Can filter residues of 3 to 5 microns. Universal compatibility with almost any filter system. Do not use flocculants, as they may cause the filter balls to clump.