The Hydrotech® reverse osmosis drinking water system combines sediment and carbon filtration with reverse osmosis technology to create effective water treatment for the point-of-use. Manufactured with NSF® approved plastics and the finest material available, each system is 100% tested, sanitized and hermetically sealed. The Hydrotech® reverse osmosis drinking water system is equipped with the patented Smartap® water quality monitor which compares the feed water to the product water and accurately indicates membrane performance with each draw of the water from the Faucet Smartap. This leading edge technology brings integrity and credibility by means of continuous accuracy. Each Hydrotech® reverse osmosis system is backed by a two year limited warranty. The Smartap® water quality monitor is backed by a five year warranty.