General description Filter balls are an eco-friendly alternative to traditional sand for sand filter systems, providing clearer and cleaner swimming pool water. They enhance the swimming experience during hot summer days by ensuring a comfortable and enjoyable environment. Technical specifications Weight: 1400g (3 lbs) Replacement effect: 1.5 lbs of filter balls = 50 lbs of pool sand 3 lbs of filter balls = 100 lbs of pool sand Usage Perfect for filtering sand in swimming pools, aquariums, and filter pumps. Can be machine washed and reused, promoting environmental protection and cost-effectiveness.