VEVOR Pool Filter Balls for Sand Filter, 1.5 lbs, Filter Balls Replace Pool Filter Sand, Reusable Blue Polyester Fiber Filter Media with Wash Bag, for Swimming Pool Aquarium Tank Above Ground Pool

Normally 70 kilograms of filter balls are required per cubic meter, the exact amount depends on the height of your 12-inch sand filter tank.

Please refer to your payment page for the exact price.