- Crystal Clear Pool Water : Upgrade your pool maintenance with our efficient filter balls and matching sand filter system. Experience consistently clean water with a fast and effective filtering process. - Optimal Alternative : Our 50 mm filter balls serve as a superb substitute for traditional filter sand or glass. One 1400 g bag of filter balls replaces a cumbersome 50 kg bag of filter sand while delivering ultra-fine filtration down to 5 microns. - Enhanced Water Quality : Improve your swimming experience with high-quality water. These filter balls enhance hygiene and filtration efficiency, eliminating the problem of filter sand in your pool and reducing the need for flocculants. - Eco-Friendly and Reusable : When the cleaning effectiveness of the filter balls diminishes, easily wash them by hand and reintegrate them into your sand filter system. Enjoy reduced energy costs and extend the lifespan of your pool accessories. - Versatile Applications : Ideal for residential pools, hot tubs, and spas, our filter balls are compatible with most sand filter systems. Perfect for regular maintenance or pre-season clean-ups. - Compact and Lightweight : At just 1400 g, these filter balls are easy to store and transport, making pool maintenance simpler than ever. Enjoy the convenience of lightweight materials without sacrificing performance.