These toilets are environmentally smart, natural, cost effective and easy to maintain.These simple most reliable waterless toilets are standard approved. Now most normal inquiry emerges to you is do these waterless or dry toilets smell foul?Answer is no never if it is operated properly.In fact dry toilets smells better compared to a conventional flush toilet. In ordinary toilet crap and pee combine as one it makes sewage making the smell. But the most important design element of dry toilet is source separation of urine and feces. That’s why dry toilets are odorless.