ENERGY-EFFICIENT CONSTRUCTION: EnergySense insulated walls and cover are up to 40% more energy-efficient than similar hot tubs; MaxHold fabric internal beams provide superior air pressure retention, stability and lightweight portability; Tritech 3-layer external material offers superior durability and puncture resistance RELAXING MASSAGE: AirJet bubble massage, controlled through the multi-function pump, which also inflates the hot tub, controls the heat setting (up to 40ºC/104ºF), and runs the filtration system STAYS UP ALL YEAR LONG: Freeze Shield protects the pump and liner from damage due to cold weather; The Power-Saving Timer allows you to control the temperature of the water up to 40 days in advance PERFECT FOR 6 PEOPLE: 77 in. x 28 in. (1.96 m x 71 cm) hot tub is the perfect size for up to 6 adults, with a water capacity of 242 gal. (916 L) EVERYTHING YOU NEED: Set includes 1 hot tub, 1 cover, 1 pump, 1 filter cartridge (IV), 1 ChemConnect chemical dispenser, 1 repair patch ELECTRICAL SAFETY: Do NOT use an extension cord or multi-plug adaptor; plug the hot tub directly into a grounded socket corresponding to the electrical rating of the attachment plug (110-120V AC, 60Hz, Single Phase 12A at 68ºF); Outdoor installation is preferred; In NOTE: APSP-14 and Title 20 compliant; This model meets all energy efficiency conditions required for sale in the following states: CA, MA, ME, NJ, NV, NY, OR, RI