Intex Pure Spa 4-Person Hot Tub w/ Six Filter Cartridges (Jet Massage) Pamper yourself in relaxing heated water surrounded by soothing bubble jets The PureSpa provides relaxation at the touch of a button for up to four people The easy to use control panel activates the 4 high powered performance jets surrounding the interior of the spa for a refreshing massage This inflatable model is ready for water in about 20 minutes and can be deflated for easy storage or transport (pump included) Unlike other spas that have cold air bubbling through water during the heating process, the PureSpa heats the air prior to bubbling through the water which heats the water more effectively