Harvia Cilindro PC90 heaters massive sauna stone amount provides enjoyable sauna bath. The output of the Globe is 9 kW. The recommended size of the sauna room is 8-14 m3. Cilindro has an apertured outer casing made of stainless steel. You can adjust the nature of the heat from soft to sharp by throwing water either to the side of the heater or straight on top of the stone pillar. The heater is equipped with a built-in control unit and the operating switches are placed down on the heater’s front side.