Aqua-Pure AP200 Undersink Water Filter System – Overview – The Aqua-Pure AP200 Undersink water filter system reduces sediment, chlorine taste and odor for cleaner drinking water. The Aqua-Pure Undersink Filter System The filter uses Granular Activated Carbon to remove contaminants for up to 6 months. Premium Dual-Action system with space-saving compact design. 5 year limited warranty. Made in U.S.A.