Sectional view
2. There is no smell.
Although there is a fermentation smell, it is hardly worrisome with a case. Since the fan is travelling the interior of a room, it is comfortable. Moreover, it deodorizes to the sawdust itself. There is not a bad smell since human waste goes into a toilet bowl. Decomposition disappearance of all the human waste is carried out and injection sawdust serves as a compost. Since it was effective, it is sanitary at no odor.