General description The 700g filter balls are a reusable and eco-friendly alternative to traditional pool filter sand, designed specifically for YMYNY pool filter systems. Made from 100% polyester, these ultra-lightweight balls offer excellent durability, water permeability, and drainage capabilities. They effectively filter impurities from water quickly and powerfully, ensuring a clean and clear pool. Technical specifications Material: 100% polyester Weight: 700g Equivalent to: 70 kg of pool filter sand Usage Ideal for pool cleaning and filtration systems Suitable for swimming pools, aquariums, filter pumps, and fish tanks Other information High filtration speed and low energy consumption Large adsorption capacity and long service life Easy to replace and requires less backwashing compared to sand