Inside the SF Green Festival
by CNET News.com | November 15, 2008, 2:08am PST | Image 4 of 7
Want to save 30 percent annually on your water bill? Being Water's simple graywater collection system uses water from your bathroom sink, laundry room, bath, or shower. A simple reservoir under the sink, seen here, cleanses the water which is then reused to flush the toilet. It costs just $390.