Bella 16.995 DKK Inkl. moms Self-closing door DuplicAir® Designed by Mads Miltersen Bella is perfect for low-energy houses or homes with low space heating requirement. By default, Bella is delivered with a self-closing door and a fresh air intake option. This model has a door with complete glass front which creates a pure modern look. Bella is usually delivered without a handle, however, the new handle appears as an integrated design element and can be purchased. Bella is designed with or without side glass combined with two different heights. Accumulation stones can be purchased as an accessory.