Whirlpools and baths are used for thermotherapeutic body massage. Recommended is a circular shape of whirlpool but it is possible to deliver also straight walls design. They are most often designed for seating, larger whirlpools can be equipped with loungers. It is possible to choose from an optimized power nozzle types with an ergonomic layout for each massage place. Due to stainless delicate design of these pools, massage jets can prove higher power load than other similar products on the market with a whirlpools. The optimal water temperature is from 33 °C to 36 °C. Some whirlpools or their parts are protected by utility models, patents and industrial designs.