15x24 (cut-to-fit) Filtrete Room/AC Filter by 3M(TM)

3M(TM) Filtrete Room Air Conditioner Filter 15"" x 24"" cut-to-fit. 20x more effective than ordinary foam room air conditioner filters. Electrostatic charged fibers. Easy cut-to-fit installation. Lasts up to 2 months. AirFilters.com Electrostatic charged fibers turn your air conditioner into a room air cleaner! Easy cut-to-fit installation that works for all room air conditioners. Up to two months of filtering performance. Purchase one today!