intex 79" x 28" purespa jet and bubble deluxe inflatable spa set, 4-person 28457e intex the intex purespa jet & bubble deluxe spa combines the pleasures of a high-performance jet massager and a bubble massage spa in one luxurious setting. high-performance engineering and hydro aeration technology make the purespa jet & bubble deluxe spa the gold standard in luxury spas. intex's saltwater sanitation and hard water treatment systems, as well as the intex link spa management app, come standard and ensure an effortless spa experience. the ultimate spa experience is right at your fingertips. no matter where you are, control all spa functions from your phone or tablet. program the purespa use and maintenance remotely with wifi connectivity.