The Ultimax Volute O-Ring is a high-quality replacement gasket designed to maintain a secure seal between the pump volute and wet end in Ultimax and Vico spa pumps. By preventing leaks and ensuring proper water flow, this O-ring helps to keep your pump running efficiently. Made from durable rubber, it’s built for long-lasting performance and is compatible with various Ultimax 48 or 56 Frame pumps.