The number 950300 refers to a specific jet internal, the Balboa/Pentair 3.5" Emerald 5 Scallop Turbo Swirl Jet Internal, which is part of the "Luxury" series of jets. This is a very common snap-in style jet internal used by many different spa manufacturers.
Because this is a widely utilized, generic component supplied by major manufacturers, Balboa Water Group and Pentair, it has been used by numerous spa brands in their production.
Here is an extensive list of some spa manufacturers known to have used the 950300 jet or the "Luxury" series jet body. It fits:
American Products (Original manufacturer of this jet line, later acquired/integrated with Pentair)
Balboa Water Group (Supplies this jet as an OEM part to many brands)
Pentair (Also supplies this jet as an OEM part)
Cal Spas
Coleman Spas
Gatsby Spas
Hydro Spa
Jacuzzi (on specific models)
Leisure Bay Spas
Master Spas (on specific models)
QCA Spas
Sundance Spas (on specific older models before 2007)
