SIMPLE INDULGENCE The SimpleSpa Bubble Massage by INTEX makes it super easy to own and enjoy a spa. It provides 100 powerful bubble jets surrounding the interior for a great and soothing massage. Designed for up to 4 people. Cannot be shipped to CA, OR, RI, MA, NJ, ME, NY, NV, MD, or WA. CONVENIENT CONTROL UNIT A sleek and compact allinone control unit, with convenient holder for cups and phones. The adjustable heating system ensures the water temperature fits your personal preference. DURABILITY AND COMFORT An easy to inflate tub is protected by the exterior mesh hull for puncture resistance and durability, while the included insulated cover and ground cloth minimizes heat loss. HARD WATER TREATMENT SYSTEM Builtin Electronic Hard Water Treatment System reduces calcium buildup and increases efficiency for a more enjoyable spa experience. SPECS Designed with a water capacity of 210gal, the Innerouter diameter of the outdoor spa tub 63in83in, spa height 28 in, and a power requirement of 13amps available.