SOPHISTICATED DESIGN, PREMIUM PRODUCTION     Hot Spring® spas are the world's number one selling brand, and have been the market leader since 1977. They're made by Watkins Manufacturing, one of Masco Corporation's family of companies whose products you trust in your home for quality and value—Delta®faucets, KraftMaid®cabinets, Behr®paints, and many more.   Each Tiger River spa is bred to perfection by the makers of Hot Springspas, the world's number one selling brand of portable spas. The raw power and strength of innovative engineering combine with graceful lines and agile instrumentation, capable of rescuing you from the daily jungle.   Tiger River spas are poised in a state of constant readiness, devouring tension and muscle pain with rejuvenating hydromassage. Like the Caspian, Bengal and Sumatran tigers for which they are named, Tiger River spas are the perfect blend of playfulness, power and grace.