Air Conditioner Weather Seal Foam – 2-1/4 in W x 42 in L – Durable Polyurethane Foam Strip – Black Weatherproof Insulation for Window AC Units – Energy-Saving. Energy-Saving Performance: Effectively seals air leaks to minimize energy loss, helping lower cooling and heating costs throughout the year.

Air Conditioner Weather Seal Foam – 2-1/4 in W x 42 in L – Durable Polyurethane Foam Strip – Black Weatherproof Insulation for Window AC Units – Energy-Saving. Energy-Saving Performance: Effectively seals air leaks to minimize energy loss, helping lower cooling and heating costs throughout the year.