GE Merlin Replacement Water Filter Set for 1255052GE Merlin Complete Filter Set GE Merlin Replacement Water Filter Set for 1255052 Complete annual maintenance kit with carbon block and inline GAC filtration for consistent performance in GE Merlin reverse osmosis systems 3 Filter Set GE OEM Compatible 12 Month Supply WHY IT WORKS Layered protection for your RO system Dual Carbon Block Filtration Two 3038333 carbon block filters remove chlorine, taste, odor, and organic contaminants before water