air filters 19 15/16 x 24 7/8 x 4 3/8 furnacefilters.ca we carry all brands and all sizes of furnace filters and humidifier parts, brands include aprilaire, generalaire, honeywell, carrier, lennox and m1-1056 merv Category:home and garden Global Rank:1,319,308 visits:19.5K pages/Per:4.8 ADS