A.O. Smith Set Under Sink Replacement Filter

Maximum Filtration - Reduces up to 99% of 90 harmful contaminants including lead, mercury, asbestos, pesticides, pharmaceuticals, chlorine, and more Replacement filters for the A. O. Smith Clean Water Reverse Osmosis System with Remineralization plus Microbial Boost (AO-US-RO-MB-4000) Remineralizer plus Microbial Boost Filtration return the healthy minerals lost in the Reverse Osmosis process - such as calcium, magnesium and potassium while removing bacteria and viruses Claryum® Filtration Technology is obsessively engineered, combined filtration technology that reduces harmful contaminants – those you can see, smell and taste, and those you can’t –providing you with optimally clean water Filters are IAPMO tested and certified to NSF/ANSI standards 42, 53, 401, 473 and P231 Replacements made easy - no plumber necessary Includes Carbon Filter, Claryum® Filter and Reminerializer with Microbial Boost Replace filters every 6 months