This 9kw sauna heater needs 20kg sauna stones(not included). Model: 9KW Sauna Heater. 9KW - 13M³ (460 cubic feet). 9KW - 18-20kg(not included ). Help to relax the muscle, relieve fatigue. Designed with an excellent steel structure for durability and corrosion-proof, the sauna heater can be used in a wet sauna room for a long tim e.
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