Protect your 18′ × 34′ oval above-ground pool with the Swimline Leaf Net Above Ground Pool Cover CO91834. This black mesh leaf net features a 3′ overlap for full coverage, durable woven construction, and a winch-tightening cable to secure it in place. Designed to prevent leaves and debris buildup on your winter cover, it lightens your cleanup workload and prolongs cover life. Comes with an 8-year warranty.