Includes 8939, 8939G, 8939A, 8939AG, 8940, 8940G and 89401 Through-the-Wall Skimmers Before purchasing, always measure the size of your existing skimmer cover or hood to it fit properly to avoid any inconvenience. Providing flexible solutions for your pool maintenance needs and ensuring efficient cleaning performance. This ensures compatibility with many other above ground pool skimmers, allowing for multiple uses. Incorporating an above ground pool skimmer cover into your pool setup not only improve debris collection efficiency,, Manufacturer: Ounfhtrttk