This Everpure EV9607-01 7DM filter replacement cartridge Removes total dissolved solids (TDS) by using a mix of cation and anion resin. The replacement Especially useful on low capacity flash steamers and warmers that are not emptied each day. It demineralized water filter for water with high mineral content. The EverPure EV9607-01 7DM filter's sanitary cartridge replacement is simple, quick, and clean. Oxidizing water filter for iron and sulfur in low water volume applications makes this filter safe. It also protects equipment.