Pool Filter Balls for Sand Filter Pump Swimming Pool 4 lbs Reusable Blue

Info:
Pool Filter Balls for Sand Filter Pump Swimming Pool 4 lbs Reusable BluePool CleaningReplace Sand FiltersComplete AccessoriesReliable and DurableWidely UsedSecure and WashableColor: Blue,Item Model Number: F11,Product Dimensions: φ1.97 in / φ50 mm,Main Material: 100% Blue Polyester Fiber,Weight: 4.0 lbs / 1.83 kg