GMX600NM Clamp Flange Valve Clamp Compatibility: Compatible with Pro Series sand filters including S144T, S166T, and S310T. This clamp helps support reliable pool maintenance when used with these models. Secure clamping: Provides a strong hold that prevents leaks and air pockets during operation, contributing to the efficient performance of your sand filter system. Construction: Built with rustresistant materials to withstand regular outdoor use and challenging conditions. Packaging: Each valve clamp is individually packaged in a protective bag for easy identification and storage, helping to keep pool accessories organized. Use scenario 1: Installing or replacing the clamp on a Pro Series S144T filter during routine maintenance to ensure a tight, leak connection. Use scenario 2: Reassembling or servicing a sand filter after cleaning or filter media changes to prevent air pockets and maintain filtration efficiency. Use scenario 3: Storing spare clamps in their protective bags to keep equipment organized and ready for seasonal pool care.