Skimmer Plug Winter Closure - Fits Skimmer Openings Measuring 5-3/8" x 5-7/8"

Fits most standard 6" aboveground skimmers, including the following: Hayward SP1090, 1091LX Aquador 1090 Kokido K001WBX Poolmaster 32190 Proline Standard 60496 May fit other makes and models not listed. The patented Skimmer Plug™ offers an innovative, hassle-free solution for servicing and winterizing both above-ground and in-ground pool skimmers. As the first product of its kind, the Skimmer Plug™ outperforms traditional skimmer closures and winterizing devices—it's easier to use, more cost-effective, and requires no tools or installation. Designed to fit all OEM skimmers without removing or replacing the original faceplate, the Skimmer Plug™ uses our exclusive Rovaseal™ thermo-insulated expanding layer to create a secure, 100% air- and water-tight seal. Its rigid outer plate adds an extra layer of durability, protecting your skimmer from ice damage throughout the winter season. Protects from freezing Fits like a "cork in a bottle" No tools required