Compatible with select Samsung refrigerators; filters out chlorine taste and odor and other contaminants; NSF Certified; 350 gallons or up to 6-month filter life

Make filtered water healthier with this Aquasana OptimH2O reverse osmosis remineralizer replacement. This component for the AQ-RO-3 OptimH2O reverse osmosis drinking water system helps retain an optimal amount of minerals during the filtration process. With an approximate lifespan of one year, this Aquasana OptimH2O reverse osmosis remineralizer replacement provides long-lasting performance.