The Glacier Fresh MWF Water Filter is a 4-pack set designed for use with GE SmartWater, Kenmore, and Hotpoint refrigerators. Made of plastic with a carbon/charcoal filtration method, it effectively removes chlorine taste and odor from water, making it suitable for household use. With a capacity of 200 gallons per filter, this unit is compatible with various models and brands, providing clean and fresh drinking water. Made in China, this water filter pack offers a convenient and reliable solution for ensuring water quality in your home.