Here's another international system for O2Compost. Nikki K. didn't like the idea of polluting the environment with raw manure dumped "who knows where", nor did she like the idea of paying for its removal. She built her Benchmark system to handle the manure from her four horses. The finished compost is given away to several neighbors. Nikki said "I love the feeling that I'm doing something good for the environment. It does actually reduce the number of flies which is a great thing. It's neat and clean."