The easy-to-use control panel activates the high-performing bubble jets surrounding the interior of the spa for a refreshing massage. The heating system adjusts to fit your personal temperature preference, allowing a stress-free spa experience. Purespa provides simple maintenance with easy-to-replace Filter cartridges for lasting enjoyment for up to 4 people. The built-in hard water treatment system makes water gentler on skin for a soothing experience. The Fiber-Tech construction and the puncture-resistant 3-ply laminated material provide the ultimate comfort, support, and durability. An insulated cover and lock is included to minimize heat loss, and provides an added safety feature. Includes: tub. Insulated cover. Heating system. 3-Way test Strip. 10W hard water system. Filtration system with 4 Filter cartridges. Floating pool chlorine dispenser. Thermal ground cloth. Inflation hose. Carry bag. Two headrests.