Doulton Rio 2000 Whole House Water Filter. Brand new in box! Box was opened to verify all parts are included. What you see in the pictures is what you get. The item “Doulton Rio 2000 Whole House Water Filter” is in sale since Tuesday, April 19, 2016. This item is in the category “Home & Garden\Kitchen, Dining & Bar\Small Kitchen Appliances\Water Filters”. The seller is “winrexwin” and is located in Pueblo, Colorado. This item can be shipped to United States.