Harvia KIP-60B Electric Sauna HeaterHarvia sauna heaters are made by Harvia Manufacturing of Finland. This heater will heat up to 300 cubic feet (length x width x height). These heaters boast stainless heating elements, a stainless interior and are approved for use wet or dry. The controls include a 60 minute timer and thermostat built into the base of heater, and feature a 1 8 hour preset allowing you to preset a future start time of your sauna session. Sauna stones included.