The was specifically engineered for a large commercial project years ago and since has continued to be a popular tub model for designers and homeowners that want a little more length than five feet in the bathroom. The armrests offer built-in comfort for longer whirlpool use and the overall design is a slimmed-down combination. A traditional soaking bathtub is non-jetted and non-air which makes this bathtub safe for bathing salts and aromatic oils.