Sundance Spas 880 & 980 Series hot tubs all come equipped with the patented SilentAir Aromatherapy system as standard. The powerful SilentAir blower quietly sends 1000's of soothing bubbles through multiple designated jets with just the touch of a button. Infusing the air with aromatic bubbles, SunScents are a wonderful way to add aromatherapy to your Sundance Hot Tub without fear of making your Hot Tubs water oily or foamy. Summer Rain: Unwind from the stresses of the day to enter a world of pure tranquility.