The Harvia 20 Pro provides strong infusions in medium-sized saunas. It has a large stone chamber and a stainless steel wreath. The cast iron glass door and the robust 10 mm thick combustion chamber lid guarantee a long service life. This model also has adjustable feet that facilitate installation and with the help of which the height of the flue opening can be adjusted. The outer coat of the Harvia 20 Pro sauna oven is graphite black.