How can a toilet be odor free?

For the same reason why we can have a fireplace without smelling smoke. Air is constantly drawn down the toilet and therefore any odors generated when the toilet is used. Because of this, the bathroom is always odorfree, when you arrive, when you use the toilet and when you leave the bathroom.

With a compostEra you do not need any bathroom ventilation. Moisture from showers is extracted where it is collected ... low down. Our guaranty