Note: Do not reduce TDS! Under Sink Water Filter System, NSF/ANSI 53&42&372 Certified, 8 Layer Micron Water Filtration Reduce Chloramine, PFOA/PFOS, Lead, Chlorine, Bad Taste & Odor, Under Counter. 【Fast Water Flow & DIY Installation】The water filter for sink features with strong flow, it can fill up a cup of water in 3 secs.