This installation kit contains components and pipes for the installation of the combustion toilet Cinderella Freedom. Please note that this kit does NOT include a gas pressure regulator. Make sure you use the correct gas pressure regulator for your area. The toilet has a 1/4" NTP connection. The new pipes are specifically designed for aeration and venting purposes and are UV resistant to ensure the color does not fade over time. The pipes match the new original Cinderella roof attachment and the pipe system as a whole fits most facades.