Part number 229-7957S is a 3-inch Waterway Mini Storm Twin Roto jet internal.
It features a smooth stainless steel and gray face with a thread-in installation style.
The following manufacturers and brands use or have used this specific Waterway jet internal in their hot tubs:
Belize Spas: This brand is specifically noted for using the 3-inch twin roto screw-in spa jet insert.
Arctic Spas: Uses the Waterway Mini Storm threaded series as a standard high-flow jet option in various models.
Artesian Spas: Known for incorporating Waterway’s Mini, Poly, and Power Storm lines throughout their therapeutic seating designs.
Dynasty Spas: Regularly uses Mini Storm jet internals as original equipment across multiple model lines.
Viking Spas: Features the thread-in Mini Storm series as a standard high-flow jet option in their portable spa lineup.
Custom Concrete (Gunite) Spas: Because this is a "Gunite" style jet, it is a standard component for custom-built in-ground concrete hot tubs where internals are threaded into permanent wall-mounted bodies.
