Whole House Granular Activated Catalytic Carbon Filter with KDF85. Replacement filter for Home Master model HMF2SmgCC. Fits all Home Master Whole House Filter systems. Filter contains 3lbs of KDF85 media to remove chloramines, hydrogen sulfide, soluble heavy metals such as iron, manganese, lead, mercury, copper, and aluminum. Also contains catalytic carbon media to remove chloramines, chlorine, hydrogen sulfide, iron, manganese, chemicals, taste, and odors. Typical lifecycle - 95,000 gal. Made in USA. Recommended Operating conditions: pH: 6 to 10. Manganese: less than 1 PPM. Iron: 1 PPM, Iron Bacteria: None, Hydrogen Sulfide: less than 1 PPM, Feed water: psi 20 - 90 psi, Feed water Temperature: 40 to 100 (F), Max. Total Dissolved Solids (TDS): 2000 PPM. Your results may vary depending on regular maintenance, general condition of unit, and initial water supply. Filter not designed to treat microbial unsafe or non-potable water without adequate disinfection before and after unit.