GE FXSVC Dual Stage Drinking Water Filtration System Replacement Filter (VOC) Dual stage filtration: Water is filtered twice Includes two filters: Filters fit GXSV10, GNSV25, GNSL05 and GXSL03 filtration systems Premium filtration: Certified to reduce lead, asbestos, select chemicals and 6 other contaminants Six-month filter life: For best filtration results, filter should be replaced every six months or 600 gallons