ISPRING Replacement Filter Cartridge Pack 3-Stage 20 in. Whole House 3-Piece

If you are interested in a filter that removes TDS, consider our iSpring Reverse Osmosis (RO) systems. [Protect Your Family and Household Appliance from Iron, Manganese, and More] Our filter (FM25B) is specially designed for iron & manganese removal, reducing iron (MAX 3.0 ppm down to 0.01 ppm) and manganese (MAX 1.0 ppm down to 0.01 ppm).