Compatibility with Pro Series sand filters, including models S144T, S166T, and S310T. A reliable replacement clamp for multiple filter setups. Secure clamping solution that prevents leaks and air pockets during operation, supporting consistent sand filter performance. Durable construction with rustresistant materials designed to withstand regular outdoor use and challenging pool environments. Convenient packaging with each valve clamp individually bagged for easy identification and organized storage of pool accessories. Use scenario: during scheduled maintenance, a worn or damaged clamp on Pro Series sand filters S144T, S166T, or S310T to restore a secure seal. Use scenario: when servicing multiple filters, install or swap clamps across different models to ensure uniform clamping performance and minimize downtime. Use scenario: keep a spare GMX600NM clamp in the pool equipment shed to streamline repairs and maintain organized, readytouse pool accessories.