This USA made wood fueled sauna stove is perfect for heating a small sauna. There is a 1″ lip around the top of the stove to hold hot rocks and you can enjoy the ambiance of the fire from the 5″x7 window. The stove has ring handles so the door and the damper can be operated without having to wear gloves. It’s designed to be used with standard 4 stove pipe. Stove Material: 1/16″ and 1/8″ steel. Stove Pipe Opening Diameter: 4. Max Log Length: 17. Square Footage: up to 50 sqft sauna tent and 100sqft traditional sauna. Country of Origin: United States of America. Recommended distance from stove to combustibles: 36. That distance can be reduced to 12 if a sheet metal heat shield is used.