SUPERIOR FILTRATION: The pool filter balls have excellent filtration capacity, non-toxic, flexible, can capture particles as small as 5 microns to ensure clear and transparent water, the filter balls in a 1300g pack can replace 45kg of filter material and quartz sand, better filtration, so that swimmers are cleaner and healthier. DURABLE AND EASY TO CLEAN: These filter balls are very durable and can be used for several pool seasons without replacement, saving you money on frequent filter changes. ENVIRONMENTALLY FRIENDLY: Made of Made from 100% recyclable materials, pool filter balls are an eco-friendly alternative to traditional sand filters, reducing carbon footprint and reusable, supporting hand and machine washing, reducing material loss and protecting the natural environment. ENERGY SAVING: Unlike heavy sand, pool filter balls are very lightweight and easy to transport and install, reducing the physical burden of pool maintenance. Filter balls can reduce the load on pool pumps,