A retaining ring tool helps service compatible spa jet retaining rings with the proper fit and control, and this G & P Tools version is designed for HydroAir and Balboa Hydro Jet applications using the 99-366-1125 reference. When a retaining ring is handled without a dedicated tool, removal or installation can become less precise than it should be.The HydroAir and Balboa Hydro Jet compatibility gives this tool practical value because retaining ring tools work best when they match the specific jet family in use. A properly selected tool helps improve engagement, supports cleaner service, and contributes to more efficient maintenance.This type of tool is especially useful when repeated jet servicing is part of routine spa maintenance and a fitment-specific solution is preferred over improvised tools. That makes it practical for regular field service.Used in the proper application, this retaining ring tool helps support cleaner jet service and contributes to better overall maintenance efficiency. Retaining ring tool for compatible HydroAir and Balboa Hydro Jet applications Helps improve control during ring service Useful for removal and installation work Supports cleaner spa-jet maintenance Improves service confidence and efficiency