After years of messing with a traditional multi-filter reverse osmosis I just installed the Circle Reverse Osmosis System. Following the provided instructions installation was a breeze and the water is clean and tasty. Under the sink is so clean and uncluttered compare to the old system. Knowing it is using far less water is a huge plus! I have already bragged about the Circle to friends who were complaining about working on their old systems. Thank you Brondell for a much better reverse osmosis system!