The OdorFree Villa 3000 is a powerful ozone generator that eliminates odors by converting normal oxygen (O2) into ozone (O3) which fills every cubic inch in the space. The device is recommended for use in unoccupied spaces only, and should not be used while people or pets are present. The device comes with a convenient 1-12 hour timer or manual setting for longer treatment and can cover up to 3,000 sq ft. This model also comes with plates and filter, and has a five year warranty. It is easy to maintain and has adjustable ozone output.