GEFEST 18 (M) - a heavier reinforced oven. Furnace radiator protrusions directed toward the depth of the furnace increase the area of contact between the fire and the furnace and the efficiency of heat transfer. Cast iron needles increase water evaporation. By opening the top lid of the oven and pouring water on the hot stones, you will get plenty and soft steam.
Holds 140kg of stones. Designed for saunas up to 18 m3.
The stones are purchased separately.
