Harvia 20 Boiler gives a good hot bath in medium-sized saunas. It has a big stone space and an air-flow spoiler made of stainless steel. Through the cast-iron glass door the warm glow of the fire adds to the sauna atmosphere. The sturdy 10 mm fire space cover ensure durability. This model also features adjustable legs to facilitate installation and, for example, help in adjusting the height of the smoke outlet. The outer casing of the stove is painted graphite black.