The Pure Cube PU550 Indoor Sauna is an attractive and stylish design that features a large window panel on the front wall beside the full glass door. Modernize your indoor space with optional semi-privacy panels that still feature the double pane glass with a fixed cedar grill on the outside. The Pure Cube PU550 Indoor Sauna comes in easy to assemble wall and roof panels and prebuilt solid cedar benches and duckboard floor. This model comes with an electric heater and comfortably sits up to 2 adults.