The Frost King 1-1/4 in. x 3-1/2 ft. Foam Air Conditioner Weather-Strip helps a window air conditioner cool efficiently in the summer and helps prevent heat loss in the winter. It is made of highly compressible open-cell polyurethane foam.
- Goes around an air conditioning unit next to a window
- Fills small to medium cracks
- Prevents heat and cooling loss to help save energy
- Open-cell polyurethane foam and vinyl construction is compressible
- Prevents window rattles