Stay ahead of seasonal mess with the Swimline Leaf Net Above Ground Pool Cover CO921. Crafted for 21′ round above-ground pools, this leaf net features a 3′ overlap for full protection, letting water through while blocking leaves and debris. The breathable black mesh is lightweight yet durable, and the package includes cable and winch fastening hardware. Backed by an 8-year warranty, it helps simplify cleanup and keep your pool cover in better condition.