VEVOR Pool Filter Balls for Sand Filter, 4 lbs, Replace Sand, Reusable Blue Polyester Fiber Media with Wash Bag, Swimming Aquarium Tank Above Ground

VEVOR Pool Filter Balls for Sand Filter, 4 lbs, Filter Balls Replace Pool Filter Sand, Reusable Blue Polyester Fiber Filter Media with Wash Bag, for Swimming Pool Aquarium Tank Above Ground PoolPool 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