Lennox X0582 MERV 10 Replacement Filter (16 x 20 x 5")
HDX 16 in. x 20 in. x 1 in. Elite Allergen Pleated Air Filter FPR 12, MERV 13 61201.011620 - The Home Depot
16" X 20 Steel Return Air Filter Grille - HVAC Premium
Lennox Model X0582 Air Cleaner Filter Media - 16 x 20 x 5 - Automotive Air Filters - Amazon.com
return air filter rack dual flange 16 x 20 x 1" , duct work, hvac, heating | eBay
X6675 Air Filter Merv 16 Healthy Climate Carbon Clean 20 x 25 x5 Filter Compatible with lennox X6675 MERV 16 Filter Home Furnace Filter for HVAC System-2 Pack - Amazon.com
Goodman AMP-13-1620-45 - 16" x 20" x 5" Clean Comfort Air Filter, MERV 13
Honeywell FC100A1003 16x20x5 MERV 8 Comparable Air Filter - 2PK
Lennox X6675 Carbon Clean 20 x 25 x 5 Inch MERV 16 Efficient Air Filter Replacement for Healthy Climate Air Purifier Cleaner Purification Systems - Replacement Household Furnace Filters - Amazon.com
Nordic Pure 16 in. x 20 in. x 5 in. Honeywell/Lennox Replacement MERV 10 Air Filter (2-Pack) 16x20x5HM10-2 - The Home Depot
Lowest Price! Lennox Y6606 PCO3-14-16 Filter 20 x 21 x 5