Frost King 9 in. x 18 in. Foam Insulating Side Panels for Air Conditioners (2-Pack)

Replace the plastic side covers of your air conditioner with Thermwell Products Co. Inc. 9 in. x 18 in. Foam Insulating Side Panels for Air Conditioners (2-Pack). These self-sticking side channels fit most window units, feature thick noise- and vibration-reducing foam and are easy to cut, fit and install.