- Filter Cotton Specifications: Made of 100% pure polyethylene, our classic white filter balls are non-toxic, featuring strong adsorption capacity and a long lifespan. Each ball has a diameter of 50-60 mm and weighs 1400 g—offering an impressive filtration equivalent to 50 kg of traditional filter sand. - High Durability: Crafted entirely from polyethylene, these pool filter balls are lightweight, breathable, and designed for longevity. Their low maintenance requirements significantly cut down on cleaning time and costs. - Excellent Filtration Performance: Engineered to outperform traditional filter sand, our filter balls provide faster filtration and an enhanced ability to capture even the tiniest impurities, ensuring cleaner water quality for your pool or spa. - Easy to Clean: Restoration is simple; just immerse the filter balls in warm water (30°C) with a mild detergent to maintain optimal performance. Avoid long-term sun exposure to preserve the integrity and durability of the material. - Practical Applications: Ideal for residential pools, spas, and even fish tanks, these filter balls ensure your water remains crystal clear and free from contaminants. Perfect for those seeking a reliable, efficient filtration solution that requires minimal upkeep. Optimize your pool or spa experience with our advanced filter balls—high-performance, easy maintenance, and environmentally friendly.