General description vhbw filter balls are an innovative and eco-friendly alternative for your sand filter system. Designed to enhance pool maintenance, these filter balls provide impressive filtration performance, ensuring your pool water remains clean and clear without the hassle of heavy sandbags. Technical specifications Diameter: 5 cm Material: polyethylene Colour: white Weight per package: 500 g Replacement cycle: every 2 - 5 years Filter performance: up to 1.5 microns Reusable and washable by hand or in the washing machine Non-toxic and recyclable Compatibility and accessories Compatible with Bestway pool filter units and sand filter systems with a filtration rate of 20-40 m³/h Replacement for models 58475 and 040050 Usage These filter balls replace 17.5 kg of traditional filter sand, making them a lightweight and efficient option for pool filtration. They are delivered vacuum-packed for easy handling and storage. Other information Delivered vacuum-packed for convenience