Replacing brittle or torn original panels. Fits most standard window air conditioners. (Universal fit — trim as needed. Reduces dust, pollen, and heat intrusion. Reducing drafts and outside noise. New, unopened. ).

The Window AC Foam Side Panel Kit by Frost King is a 2-pack of insulation panels designed for through-the-wall/window air conditioners. Made of foam material, these 9x18x7/8 panels are black in color and suitable for an area covered by 100 sq ft or less. The mounting location for these panels is specifically the window, providing a convenient and effective way to insulate and enhance the cooling performance of your air conditioner.