The SPACE SAVER is a standard three chamber unit designed specifically for situations where space is extremely limited. With a width of only 19" and depth of 22", even a closet or small corner can now be turned into a bathroom! The SPACE SAVER is fitted with the same kind of high quality turbo-fan as other electric units have. The difference is that on the Space Saver, a 3" vent stack is included. The SPACE SAVER has almost the same size Bio-drum as the COMPACT, so composting capacity is similar to that of the Compact. On the other hand, evaporation is limited by the smaller heater and evaporating surface, so the safety drains should be connected. Composting Is Nature’s Way Wherever there is a poorly working septic system, a Sun-Mar can take care of the toilet waste; where there is an outhouse we offer the luxury of an indoor facility; and where there is no toilet at all, a Sun-Mar provides the right environmental choice. Sun-Mar units are economical, quick to install and easy to use. Because no chemicals and no septic systems are used, fragile environments can be protected. A Sun-Mar composting unit is an environmentally healthy choice for recycling human waste. The Sun-Mar system produces no pollutants, while collecting nutrients. Odor Free As well as ensuring an aerobic breakdown in the Bio-drum™, Sun-Mar ensures an odor free environment by engineering the air flow within the unit to maintain a partial vacuum at all times. Air is being drawn in either by a fan (or on non-electric units by the vent chimney) over the evaporating chamber and up the vent stack. Not only does this evaporate excess liquid, but, by continuously pulling air in it ensures no smell escapes from the unit. Note: Composting units cannot be used on a continuous basis in temperatures less than 50° F. The microorganisms of decomposition go dormant in lower temperatures. This problem can be overcome by insulating the composting area and heating it with a 100 watt incandescent bulb.