General description FLITI Filter balls are an eco-friendly alternative to traditional sand filters, made from 100% recyclable polyethylene. These extra durable filter balls are designed to provide clear water in swimming pools, aquariums, and gardens. With a long service life, they can be reused multiple times through machine and hand cleaning, making them a sustainable choice for maintaining clean water. Technical specifications Material: 100% polyethylene Weight: 700 g Diameter: 5 cm Replaces: 25 kg of filter sand Filtering capability: 1.5 μm (compared to 40 μm for sand filters) Recommended for 50-liter filter systems: 640 g of filter balls Usage Suitable for swimming pools, aquariums, and garden maintenance Can be cleaned in a washing machine at a maximum of 30 degrees