General description The POOL CLEANER filter balls are designed for swimming pools and sand filter systems, providing an effective and energy-efficient alternative to traditional filter sand. These lightweight and durable filter balls enhance filtration performance and can be reused after washing. Technical specifications Weight: 300 g Filtration capability: Filters particles as small as 1 micron Usage Can be placed inside pool robots to improve filtration and slow down their speed. Suitable for sand air filtration systems as a replacement for filter sand. Effective in filtering grease and small dirt particles from water. Other information