1. Compatible with Pro Series Sand Filters The GMX600NM clamp flange valve clamp is professionally designed to fit a wide range of Pro Series sand filters, including models such as S144T, S164T, S166T, and more. Ensures compatibility with your equipment for performance. 2. Secure Clamping Solution This valve clamp provides a reliable and tight grip on your sand filter valves, preventing leaks and air pockets. Enjoy the assurance that your system remains securely sealed during operation. 3. Durable Construction Made from robust materials, this valve clamp is built to withstand regular use and resist water and chemicals without rusting or corroding, ensuring longevity for your pool maintenance tasks. 4. Convenient Packaging Each valve clamp is individually packaged in a protective bag, making it easy to store and organize. This thoughtful packaging ensures your clamps remain in until needed.