Intex: PureSpa: Chevron Deluxe Inflatable Hot Tub Set - 4 Person - 69" Square Outdoor Heated Bubble Spa, Jet Massage, Cover, Hard Water Treatment

FIBER-TECH BEAM CONSTRUCTION: Innovative Fiber-Tech Technology offers superior structural stability while maintaining a comfortable surface for a luxurious and refreshing spa experience. HARD WATER TREATMENT SYSTEM: Built-in Hard Water Treatment System makes water gentler on skin, clothes and the entire spa system; hard water buildup limits water flow and reduces the life of your spa. HEATED AIR BUBBLE TECHNOLOGY: The Positive Temperature Coefficient (PTC) heater is designed to maximize heat transfer to the water, while ensuring the highest level of safety, performance, and longevity. ENERGY EFFICIENT SPA COVER: High density thermal-resistant foam provides extra insulation and minimizes heat loss; this cover enhances the Spa performance while improving the energy efficiency by as much as 50%. SPECS: Designed to fit up to 4 people; outer dimensions: 69" x 28" and inner dimensions: 49" x 28"; water capacity of 210 gallons; water temperature range: 68-104 degrees Fahrenheit, 140 Jets.