Photo 1 of Naisidas 4.62lbs Pool Filter Balls for Sand Filter, Pool Filter Media Balls for Above Ground Pool Reusable Eco-Friendly Sand Filter Balls Instead of Sand(Equals 150 lbs Pool Filter Sand)

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Photo 1 of Naisidas 4.62lbs Pool Filter Balls for Sand Filter, Pool Filter Media Balls for Above Ground Pool Reusable Eco-Friendly Sand Filter Balls Instead of Sand(Equals 150 lbs Pool Filter Sand)