Soothing Massage System: The HydroJet Pro massage system provides two ways for you to relax in your spa. The 8 HydroJet nozzles surround the sidewalls to release targeted jet streams of water, while the 140 AirJet openings release bubbles from the bottom of the spa to create a warm, bubbling hot tub environment. This soothing massage system will help you relax and unwind. Durable Construction: This spa's inflatable walls and internal beams are made of durable, puncture-resistant, DuraPlusT material which prevents damage. This type of internal construction prevents stretching and expansion,...