Generation 4S combines cold plunge and hot bathing in a single system. Cooling, heating, and filtration are fully integrated—no external units, just one beautifully clean tub that seamlessly adjusts between 3 °C and 40 °C. Whether you’re looking for a quick recovery after a workout or deep relaxation in the evening, you choose, and the tub delivers.
The tub is made of stainless steel to withstand the Nordic outdoor climate year-round—rain, snow, and sub-zero temperatures as low as -10 °C—while the water continues to circulate. The insulated black lid maintains the temperature when the tub is not in use, and the near-silent operation and underwater lighting make the experience just as exclusive in your garden as it would be at a spa.
Everything is controlled via the touch panel or the mobile app, and the plug-and-play design makes installation simple: plug it into a standard power outlet, fill it with water, and step in