GE FQK2J Dual Flow Drinking Water Replacement Filters Dual flow filtration: Water is filtered in parallel flow through advanced filtration filters Includes two filters: Filters fit GXK285JBL, GXK295JNN, GXSL55R, GXSV65R and GNSV70R filtration systems, plus Pfister Clarify & Lita filtration faucets NSF certified: Reduces select pharmaceuticals, select VOCs, lead, chlorine taste and odor and other chemicals Twist and lock design: Simple design provides easy, tool-free, no-mess filter replacement Six-month filter life: Filter should be replaced every six months for best filtration results