Hydrotherapy Whirlpools are engineered to provide a therapeutic treatment to the patients. Additives & Cleaners. Our hydrotherapy whirlpools are designed and optimized to be complimentary with our additives and cleaners to assure hygiene and high maintenance of your equipment. Chairs and Stools. With the most durable chairs and stools, comfort and support during therapy sessions guarantee. Extremities. One can find particular equipment suited for giving extremities targeted treatments, especially to hands, feet, etc.