The Waterway 212-7957 Mini Storm jet internal is designed for compatible jet assemblies and features a 3 inch face diameter with twin roto action, 5-point scallop styling, and a gray finish. A part like this is useful because it renews both the visible trim and the more animated jet behavior at the point of use, helping restore the original experience of the assembly. Replacement is shown in photo #2 The gray scalloped face gives this Waterway internal a polished and coordinated look that works well in many spa finishes. It is a practical replacement when the original insert is worn, discolored, or no longer delivering the intended twin roto performance. For compatible Mini Storm jet service, this Waterway internal is a practical replacement when a 3 inch twin roto gray insert with 5-point scallop styling is required. Waterway Mini Storm jet internal 3 inch face diameter Twin roto 5-point scallop design in gray Helps restore user-facing jet feel and trim appearance Useful for rebuild and repair work