In 1971, Hardy Sundberg developed the world's first self-contained composting toilet. For the first time a self-contained toilet could be put in a bathroom and would evaporate liquids and compost solids. The next big technical breakthrough came in 1979 when Hardy develped his third generation toilet which incorporated a rotating drum as … more ›
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Sun-Mar Self-Contained Compact Composting Toilet
Fiberglass bowl and body /Electric composting bio-drum $1,595
