Waterdrop RF10 Replacement Filter Cartridge for 10UA/10UB Under Sink Water Filter Reduces PFOA/PFOS PFAS Lead Chlorine Bad Taste & Odor NSF/ANSI 42 Certified 8K Gallons High Capacity

Your needs our priority Why do you choose Waterdrop? Established in 2015 Waterdrop has grown to become the most popular and diversified brand in the replacement filter industry. We have a unique global footprint and sell our products in more than 20 countries worldwide. We are dedicated to delivering a sustainable industry-leading     water purification systems by enhancing water quality and contributing to a healthier future. Please note that this Undersink Water Filter cannot reduce TDS.  If you need to reduce TDS the Waterdrop RO System will be an excellent choice. For details please search ASIN: B07P1XFYJP . TDS stands for total dissolved solids. It is composed of inorganic salts and a small amount of organic matter. This undersink filter cannot lower the TDS value because it removes harmful substances while retaining minerals such as potassium calcium sodium and magnesium which are beneficial for yo