This composting toilet meets the standards of the National Sanitation Foundation Standard 41 testing. Additional Features * 12-volt power lets the appliance run off power generated by the engine and use an AC hook-up when parked or docked * Features a fan and heater for composting * 3-inch vent stack helps with adequate venting * Drum locker ensures composting drum is held upright * Fold away footrest is easy to remove * 12 volt fan operates continuously while toilet is in use * Self-contained with very little maintenance * Requires an overflow drain * Depth required to remove drawer: 38 inches * Vent outlet center distance from right side: 7 inches * Uses standard toilet paper * Certified by the US Coast Guard * Includes a 3-5 year limited warranty The perfect composting toilet for boaters and RV owners on the go, the Sun-Mar Mobile 12 Volt Waterless Composting Toilet is rated for one adult or for families of two. A self-contained unit, this toilet uses a fan and heater for composting. The toilet will run of power being generated by the engine until access to an AC hook up is possible. Certified by the US Coast Guard, this toilet was the first designed to recycle waste on boats and RVs. The toilet has a drum locker to ensure the composting drum is held upright under all conditions. A 3-inch vent stack helps with adequate venting, and the toilet provides odor free operation. Certified by the National Sanitation Foundation, this toilet has 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. * Ideal composting toilet for boaters and RV owners * Odor free operation * Plugs into a standard 110V outlet * Rated for 1 adult or families of 2 * Self contained composting toilet * Measures 19.5W x 23D x 30H inches