This composting toilet meets the standards of the National Sanitation Foundation Standard 41 testing. Additional Features * Available in your choice of colors * Evaporates all liquids during normal use * .5-inch emergency drain is fitted at the rear * Produces no odor and makes clean, safe compost * Footrest detaches so finishing drawer can be pulled out * Depth required to remove drawer: 48 inches * Vent outlet center distance from right side: 10 inches * Height to center of vent: 28.38 inches * Requires drilling into your wall or ceiling for venting * Uses standard toilet paper * Includes a 3-5 year limited warranty The best selling unit in North America, the Sun-Mar Excel Electric Waterless Composting Toilet is easy to operate, reliable, and certified by the National Sanitation Foundation. A self-contained composting unit, this toilet plugs into a standard 110 volt outlet and is rated for three to four people to use full time and six to eight people for weekends only. Designed to be odorless, the Excel Electric Toilet makes clean and safe compost. The toilet evaporates all liquids during normal use, and a .5 inch emergency drain is fitted at the rear. Installation requires drilling into your wall or ceiling for venting, and this unit comes with a three to five year limited warranty. Sun-Mar In 1971 Hardy Sunberg developed the world"s first self-contained composting toilet that could be put in a bathroom and would evaporate liquids and compost solids. Over the years he developed a rotating drum with three chambers that would become the foundation for today"s toilets. To this day, Sun-Mar remains the world leader in researching and developing composting toilets. From self-contained units, to central units, and even composting toilets that are specially made for RVs and boats, Sun-Mar has over twenty models to choose from, and each is made to fill a specific need. Sun-Mar ensures that each of their toilets take advantage of a using a drum to create compost through aeration and mixing. All Sun-Mar toilets are also certified by the National Sanitation Foundation. * Reliable and easy to operate * Features a fan and a thermostatically controlled heater * Plugs into a standard 110 volt outlet * Rated for 3-4 people full time, 6-8 weekends only * Self contained composting toilet * Measures 22.5W x 33D x 32H inches