I have 2 free standing bathtubs both made by BainUltra.
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These are high end units that were display models.
They do not come with the blower units or control modules but are available from BainUltra.
These sell in the 6000 dollar range each complete.
Both have extra options.
Priced at $1750 each your choice.
One is an Origami 7242
One is an Origami 6838
Contact me for more info.