Purewell 2 Pack TDS Filter Elements, Replacement Filters for PD-2 TDS Filter Elements, Additional Filter Elements for PB-2/BB8-2 Purification Elements

85% TDS Reduction - The only gravity water filter element that can reduce TDS, it can reduce the TDS value of tap water by 85%, remove calcium, magnesium and other ions in water, ensure the safety and health of your drinking water. There is no need for cumbersome installation like the Reverse Osmosis System, just a simple rotation installation, then you can use it to reduce TDS.
5-Stage Filtration - The TDS filter elements adopt a composite filter technology, can reduce most contaminants. It uses a TDS reduction membrane, an activated carbon block, and three sediment PP membranes to intercept TDS, salt, nitrates and chlorine, etc. This TDS filter element has also passed authoritative NSF/ANSI 372 certification.
Food-grade Materials & Scientific Structure - Food-grade materials and the separated five-layer structure ensure that the TDS filter element will not add extra impuritiess into the water while reducing TDS. The BPA-free housing material also ensures that the TDS filter element will not add any bad chemicals to the water when being soaked
Replaceable - Purewell TDS filter elements can provide up to 500 gallons drinking water (According to different water quality, the lifespan of the filter element would be a little different). But for optimum performance, the TDS filter elements should be replaced once a month.
Additional Filter Element - Additional TDS filter element for PB-2/BB8-2 filter element. This filter element cannot be used alone, it needs to be used with PB-2/BB8-2 filter element or other filter elements with standard 3/8 inch thread.