Pool filter balls: replace sand and filter screens, are lightweight, easy to clean and clean. handle and filter faster than traditional filter media. Lighter and more efficient! [Super Durable] The filter ball has a capacity of dirt retention and high dust, high permeability. à high water content and lighter, more efficient filtration. It has the advantages of long service life, reusability, good elasticity and elasticity. and low loss. [Material specifications] The material is 100% polyethylene, diameter Φ50-60 mm, white, machine washable. machine, non-caking, environmentally friendly, recyclable and reusable. [Capacity [Recycling] The filter balls used in our water filter system Next-generation sand can filter materials up to 100%. 1 micron, and its effectiveness filtration is 3 à; 4 times higher than that of traditional filter media. It can also filter grease, debris and dirt. water, making the pool water clearer. [Scope of application] Indoor and outdoor swimming pools, water