The 2 Pack NEW Filtrete-29088 Merv 13 Premium Smart Air Filter by 3M is a high-quality pleated filter designed for both air conditioners and furnaces. With a MERV rating of 13, it effectively captures contaminants such as tobacco smoke, pet dander, pollen, and mold. Made with fiberglass filter media, this filter has a filter life of 3 months and is ideal for maintaining clean and healthy air in your home. Its dimensions of 14" W x 20" H x 1" D make it compatible with various systems, providing efficient filtration for a comfortable living environment.