New in the box are three furnace filters; model #M2-1056. Found on-line for approximately $100 for the set of three. Price: $48.00 for the set of three Located at Red's Emporium 26 High St, Ladysmith 250-245-7927 Hours of Operation Noon to 6pm, Mon-Sat Except Fri 10-5pm Closed Sundays and Stat