type: Swimming pool cleaning equipment Model Number: Pool Filter Balls This product has nice water permeability and breathability. Contains no poisonous and dangerous substances, would not influence the water quality. Durable and immune to cleaning. Can be reused, grime could be washed. Suitable for any agricultural surroundings (sea water, water may be). It can be utilized to filter sand and pollutants into swimming pools. Their filtration results are more appropriate because they will filter out debris in pool water to a length of only 1 Micrometres. The use of filter balls can drastically upgrade the traditional and of the pool. generation filter material for swimming pools replaces sand Excellent microparticle filtration Ball is period clear out material for swimming pools, a perfect alternative for traditional sand. A 200 g equipment corresponds in its clear out capacity to a sandbag of 25 kg. In addition to minimum weight and coffee weight, the fiber mix guarantees best microparticle filtration. Unlike sand, it would not harden or clump during use. Easy dealing with thanks to low weight. Does no longer injury or damage seals. Resistant to pool chemicals. Durability guaranteed. Machine wash. Performance: Acid resistance, extreme temperature resistance, resistance Adsorption rate: 98 (%) Anti-stress: four (kgf) Density: 0 (g / cm3) Porosity: 86 (%) Wear rate: 1 Hardness: 1 composition: C Hydrochloric soluble rate: 1 (%) colour:white Material:cotton Size: 40 mm Package Contents: 1 x bag filter out balls Only the above equipment content, different merchandise usually are not included. Note: Light and varied exhibits could cause the color of the thing in the photo somewhat various from the genuine thing. The length allowed error is +/- 1-3cm.