This AQUS water saver catches bathroom sink greywater, cleans it and then adds it to the tank in the back of your toilet, for flushing. Toilet bowl water remains safe for pets and wandering toddlers. Easy to install, the award winning AQUS fits under your bathroom sink vanity and will save you $$$ in water costs, 3000 gals per person per year in water use, and greatly reduces sewer use. A triple win. Just $395.00. (For green buildings, the AQUS is worth 2 LEED credits or more.) email reply for more info or call 360-966-4683.