SUN-MAR it has been one of the leaders in Composting Technology for 30 Years. As the acknowledged leader in the field of composting toilets, at SUN-MAR they know the best way to compost is to use a rotating drum. They have used a rotating Bio-drum in their toilets for over 25 years. SUN-MAR's new Garden
Composters go a step further by incorporating the patented, double drum, Autoflow designs. The Breakthrough. In SUN-MAR's Autoflow designs, material goes in the top and compost exits automatically out the end as the drum rotates.