GE FQK1K Under Sink Water Filter | Replacement for Water Filtration System | Easy Install | Reduces Sediment, Rust & Other Impurities from Water | Replace Every 6 Months for Best Results | 1 FilterGUARANTEED FIT Includes one filter Compatible with filtration systems GXK185K, GXRLQR, GXRLQ and GX1S50R ADVANCED FILTER Reduces lead, select pharmaceuticals, select VOCs, chlorine taste and odor and other impurities CERTIFIED TO NSF ANSI 42, 53, and 401 Certified by IAPMO SIX MONTH FILTER LIFE Filter should be replaced every six months for best filtration results FILTERS DOWN TO 0. 5 MICRONS The lower the microns, the more contaminants are caught and