Lennox X6673 MERV 11 20x25x5 Sale $32.99 Original Furnace Filter - Atomic Filters
Nordic Pure 20 in. x 25 in. x 5 in. Honeywell/Lennox Replacement Furnace Air Filter MERV 10 (2-Pack) 20x25x5HM10-2 - The Home Depot
Amazon.com: Lennox X6673 20 x 25 x 5 Inch MERV 11 Efficient Air Filter Replacement for Healthy Climate HC11 Air Purifier Cleaner Purification Systems (3 Pack) : Home & Kitchen
Amazon.com: Lennox X6673 20 x 25 x 5 Inch MERV 11 Efficient Air Filter Replacement for Healthy Climate HC11 Air Purifier Cleaner Purification Systems (3 Pack) : Home & Kitchen
Honeywell Home 21 1/2 x 21 x 5 Pleated MERV 10 - FPR 8 Air Filter TRN2121T1 - The Home Depot
HDX 16 in. x 25 in. x 5 in. Trion AirBear Replacement Pleated Air Filter FPR 9, MERV 13 HDX-AB1625-13-3 - The Home Depot
Nordic Pure 20 in. x 25 in. x 5 in. Honeywell/Lennox Replacement Furnace Air Filter MERV 10 (2-Pack) 20x25x5HM10-2 - The Home Depot