M-D Gray Foam Weatherstrip For Air Conditioners 42 in. L X 2-1/4 in.

The MD Building Products 2-1/4 inch x 42 inch 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.