Perfect Fit: This product is designed specifically for SF15110 upgrades, ensuring a safe and efficient filtration system by providing a perfect fit and seamless integration. Effectively Prevent Leaves and Debris from Entering: The upgraded design can effectively prevent leaves and debris from entering your pool, maintaining a clean and clear swimming environment for you to enjoy. Quick Installation: Remove the old cover and replace it with this upgraded version. It comes with an O-ring for a tight and secure seal to prevent leaks or malfunctions. Durable and Weatherproof: Made of high-quality plastic and rubber materials to withstand the harsh conditions of pool filtration. Long-lasting performance. Package Contents: 1 x Pool Leaf Trap Cover, 1 x Valve, 2 x O-rings. With this pack, you'll have everything you need to successfully upgrade and maintain your pool leaf collection system.