High capacity 10 inch replacement filters for reverse osmosis systems Includes (2) sediment and (4) Carbon block filters to protect and extend the life of the RO system 1st stage polypropylene sediment filter to remove dust, particles, and rust 2nd & 3rd stage extruded carbon block filters to remove chlorine, taste & odor Compatible with APEC ROES-50, ROES-75, ROES-PH75, ROES-PHUV75, ROES-UV75, ROES-UV75-SS and all other standard size under counter reverse osmosis systems on the market