Saunum AirSolo In-Wall Sauna Temperature and Steam EqualizerThe biggest advancement in sauna technology in 70 years. Installed within the wall of your sauna, the adjustable height (66. 5 to 90. 5) Saunum AirSolo Wall transforms your sauna bathing experience by equalizing the temperature throughout the room for a consistent heat balance from head to toe. No more cold feet! The AirSolo Wall will enhances the performance of any electric sauna heater and allows bathers to experience the same level of heat and