The built-in hard water treatment system makes water gentler on skin for a soothing experience An insulated cover and lock is included to minimize heat loss and provides an added safety feature Pure spa provides simple maintenance with 2 easy-to-replace filter cartridges for clean refreshing spa water Includes: heating system, 3-way test strip, 2 filter cartridges, floating pool chlorine dispenser, thermal ground cloth, inflation hose, carry bag Seating Capacity: 4 People; water capacity: 210 gallons; water temperature range (68 Degrees - 104 degrees)