Accelerate the air flow in your AC or DC unit with the Sun-Mar Fan for Excel Non Electric Composting Toilet. Designed to protect against downdrafts they come pre-installed to fit inline in your vent stack. Perfect for toilets that get a lot of use these fans are also protected against moisture and weather for longevity.Sun-MarIn 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.
Sun-Mar Vent Fan