NianYI 3.1 lbs Pool Filter Balls for Sand Filter Pump,Reusable Eco-Friendly Filter Media for Swimming Pool Sand Filters (Equals 100 lbs Pool Filter Sand) Suitable for All Sand Filter Systems

Key features

• 【New Eco-Friendly and Energy-Efficient】 Pool filter media is designed to replace the filter sand for pool sand filters. 3 lbs pool filter ball is equivalent to 100lbs pool filter sand.Use the "WASH BACK" function of sand filters, when the water flow becomes slow and the machine is blocked.
• 【For Sand Filters】 Perfect for summer pool sand filter pump for above ground pool, clear water makes you and your children enjoy swimming more. No sand in the pool, lighter and more efficient than traditional filter sand.
• 【High-quality material】Spherical fiber filter is made of polyester, polypropylene spherical filter and acrylic fiber. It has the advantages of high filtration strength, fast filtration speed, long service life, reusable, good elasticity and low loss.
• 【Reusable】Unlike sand, the filter synthetic fibres ball does not block your filter and requires less backwash for maintenance purposes. Premium filter media extends filter life and is a perfect replacement for filter sand, filter glass and other media.
• 【Note】1.5 lbs Fibre Balls can Equals 50 lbs(25kg) Pool Filter Sand. We put 2 x 1.55lbs filter balls into one package to save space. The actual weight is 3.1lbs,you can use the scale to measure it.Our packaging is printed uniformly,please be assured that we will not send the wrong weight.