The best in water purification for the best price! Perfect for households of 4 or more persons. Gravity fed; removes bacteria, harmful chemicals; harmful minerals. This stainless steel water purification device can hold 2.25 gallons of water. It is 19.25 inches high and 8.5 inches in diameter. It can purify up to 7 gallons per hour with its 4 purification elements. These elements can be cleaned and re-cleaned for many years before having to be replaced. UNFORTUNATELY, DUE TO CALIFORNIA LAW THESE UNITS CANNOT BE SHIPPED TO CALIFORNIA. We apologize for this inconvenience.