INTEX PureSpa™ provides simple maintenance with easy-to-replace filter cartridges for lasting enjoyment. 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. 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 with lock is included to minimize heat loss and provide an added safety feature. A carry bag is provided for easy storage and transport.• Size: 4 person• Approximate inflated inner diameter: 57"• Approximate inflated outer diameter: 77"• Approximate inflated height: 28”• Water temperature range (68° – 104°)Includes:- Tub- Insulated cover to minimize heat loss- Heating system- 3-way test strip- 10W hard water system- Filtration system with 4 filter cartridges- Floating pool chlorine dispenser- Thermal ground cloth to protect bottom surface and minimize heat loss- Inflation hose- Carry bag for easy storage and transport- Two headrests