Rated for three adults, or a family of four including small children, the Sun-Mar Compact is an elegant, low-profile composting toilet with the looks to complement any bathroom: self-contained composting without apology.

Specifications:

• Capacity: 3 adults, or a family of 4 with small children; light residential or light to medium cottage use
• Design: low profile, patented variable-diameter Bio-Drum with recessed handle; three chambers smaller than the Excel's
• Vent: 2-in stack, can be hidden; 1/2-in emergency drain
• Made by: Sun-Mar