Purity Hub's Truly Alkaline Smart Maintenance RO Water Purifier [Product 1] is truly versatile & low at maintenance. Purity Hub [Product 1] consistently offers you healthy alkaline water and comes with alkalinity adjuster. It incorporates all openable and replaceable filter cartridges that enables you to keep a check on the cartridges media quality and at the same time the replacements are very cost effective. Purity Hub's Truly Alkaline Smart Maintenance RO Water Purifier comes with industries longest 2 Years Warranty and free services upto a total of 5 Years.