M-D 2-1/4 In. x 42 In. Air Conditioner Weatherseal

The MD Building Products 2-1/4 In. x 42 In. Foam Weather Strip for Air Conditioners is intended for use to seal the gap between window sashes or between a window sash and an air conditioner. The weather strip seals out cold air in winter and hot air in summer and creates a barrier to help keep out drafts and insects.