The 20x25x1 Air Filter by 3M Filtrete is a 6 pack of MERV 2 HVAC AC furnace filters designed for use in furnaces, air conditioners, and HVAC systems. The MERV rating of 2 ensures efficient filtration, while the paper filter frame makes installation easy. This high-quality product is like new and includes filters, perfect for maintaining clean and healthy air in your home. You will receive 3 packs of 2 in each pack. They are brand new and plastic wrapped. No box.