This part is accessed from the front of the appliance in the bottom left-hand corner in top-freezer refrigerators. It is white in color and measures 1-1/8 inches deep, 2-1/8 wide and 10-1/2 inches high. It filters contaminants such as lead, benzene, mercury, and more. It is recommended that the filter be changed every 6 months to maximize performance. This filter is sold individually.