The PAULTRA2 PureAir Ultra II Air Filter is a carbon fiber filter designed for built-in/Integrated electric refrigerators. It is compatible with Frigidaire appliances and features absorption cooling and carbon filtration to ensure fresh and clean air inside the refrigerator. This pack includes one filter with dimensions of 3-3/4" x 1-3/4" x 7/16" and is suitable for use in major appliances. Made in the United States, this filter is lightweight at 0.704 ounces and operates efficiently to maintain the quality of your refrigerator's air.