Use this water filter to minimize harmful substances in the water. This includes contaminants such as chlorine taste and odour, industrial chemicals, metals, minerals, waterborne parasites, and more. The this Water Filters specification: Material: Carbon Block Primary Filter Media: Activated Carbon Block Filter Life (gallons): 200 Filter Life (months): 6 months Color: White Certifications: NSF/ANSI Standard Installation and replacement procedure for the refrigerator water filter: 1.Locate the filter door in the right side of the refrigerator ceiling. 2.Press up on the filter cover door to release the door latch. The door will dropdown. 3.If you are replacing a filter rotation the used filter counterclockwise to remove it from the filter head. Note: there may be some water in the filter and some spilling may occur. 4.Take the new water filter out of the packaging and remove the cap. Be sure the O-rings are still in place after the cover is removed. 5.Align the arrow on the water filter label with the cutout notch in the filter head and insert the filter. 6. Turn the filter clockwise until it locks into the housing. 7.Lift the filter up into the compartment. Close the filter door completely. 8. Reduce water spurts by flushing air from the system. Run water continuously for 4 gallons through the dispenser until water runs steady. Additional flushing may be required in some households where water is of poor quality.