Air Conditioner Side Panel Efficiency Increasing Noise Reducing Insulators
Air conditioner insulators install quickly over side panels to increase efficiency, decrease noise, keep cool in, heat out and vice versa as seasons change, allowing you to leave your window unit in year round. Save time, money and eliminate strain from heavy lifting. Cut foam for custom fit. Side rails adhere in seconds. Polyurethane foam, 18 x 9 x 1 3/4". Set of two.