Dual Check Valve 3/4 x 3/4Ensure safe and reliable water flow in your pedicure spa or plumbing system with this 3 4" x 3 4" dual check valve. Designed to prevent backflow, it helps protect clean water lines from contamination by using two internal check mechanisms for added security. Built with durable materials for long lasting performance, this valve is ideal for maintaining compliance and proper sanitation in salon environments. Features Size: 3 4" x 3 4" connection Dual