The spa jet part number 23452-312-900 is a 5-inch Typhoon 500 Series Dual Roto jet manufactured by Custom Molded Products (CMP).
This specific part is used across several major hot tub brands that utilize CMP's "Typhoon" or "Diamond" jet series, including:
Artesian Spas: This part is specifically identified as Artesian part #03-1414-52 for their Typhoon-equipped models.
Cal Spas: Frequently uses the CMP 200 and 500 series jets in their equipment configurations.
Marquis Spas: A known user of high-end CMP jet internals for various spa lines.
Wellis Spas: Standardized on high-quality CMP jets for many of their models.
Vita Spas: Utilizes various CMP-manufactured jet assemblies.
American Spas: Often uses the same 200/500 series systems as their parent brand, Cal Spas.
Other Brands: CMP jets are also commonly found in spas by Garden Leisure, Gulf Coast Spas, Freestyle Spas, Pilates H2O, Cool Nights Spas, and Centurion Spas.
Technical Specifications for Identification:
Face Diameter: 5 inches.
Style: Snap-in (not threaded) with a smooth, scalloped stainless steel face.
Internal Type: Twin/Dual rotating nozzles.
Identification Tip: Look for a circle with an arrow inside on the white diffuser (back of the jet); this mark confirms it is a CMP-manufactured part