The Huum Hive Mini 10.5kW Sauna Heater is a powerful and efficient heating solution for your home sauna.This sleek and stylish heater delivers a soft, high heat to create a truly immersive sauna experience.2With its stainless steel construction and high stone capacity, the Hive Mini ensures optimal heat distribution and long-lasting performance.2This slender version of the robust HIVE heater fits up to 330 lbs of sauna stones and has been engineered for sauna rooms up to 706 cubic feet (CF). Required control and sauna stones (10 boxes) sold separately For sauna rooms from 353 to 706 cu. ft.