Lennox Air Filter Replacements
FilterBuy manufactures a full selection of aftermarket replacement filters designed to replace Lennox furnace air filters. Our deep pleats are designed to offer maximum surface area to ensure long lasting filtration at optimal performance. Every Lennox replacement filter we produce comes in MERV 8 (AFB Silver), MERV 11 (AFB Gold), and MERV 13 (AFB Platinum), which means that you have control over the level of filtration you prefer. Need a standard 1", 2", or 4" filter for your Lennox unit? No problem simply shop by filter size.