The MSpa Comfort series BERGEN Bubble Spa features an eye-catching metallic blue interior and premium charcoal grey exterior. Featuring 118 bubbling air jets to relax your body and mind, this 4-person spa is sure to brighten your space. The Bergen uses a simple inflatable hose for spa inflation. Utilizing the built-in control box, there is no need to fumble with fussy connectors, simply connect your hose and click the bubble button to watch your spa rise. The air Jets massage system creates thousands of bubbles from the bottom of the spa to surround you from all angles allowing everyone in the tub to enjoy at once!