Lennox X0584 - 16" x 26" x 5" Healthy Climate Replacement Filter, MERV 11 - Walmart.com
Lennox X8788 - 20 x 26 x 5 MERV 16 Furnace Filter - 5 Pack - Walmart.com
Lennox X0584 16x26x5 Furnace Filter MERV 11 - Only $57.99
Filters Fast Compatible with Replacement for White Rodgers Furnace Filter F825-0548 16" x 26" x 5" (Actual Size: 16 1/8" x 25 3/4" x 4 7/8") 2-Pack MERV 8 - Walmart.com
Znnam X8788 MERV 16 Filter 20"x26"x5"filter Compatible with lennox X8788 20x26x5 Air filter Merv 16 carbon clean Furnace Filter Replace for PCO20-28 PureAir and lennox x8788 Merv16 Filter 2packs - Amazon.com
Filters Fast Compatible with Replacement for White Rodgers Furnace Filter F825-0548 16" x 26" x 5" (Actual Size: 16 1/8" x 25 3/4" x 4 7/8") 2-Pack MERV 8 - Walmart.com
Filtrete 16-in W x 26-in L x 5-in MERV 8 HVAC Basic Pleated Air Filter (2-Pack) at Lowes.com
16x26x5 MERV 11 Lennox X0584 Air Filters - $35.50/ea.
Honeywell Home 16 x 25 x 4 Pleated Furnace Air Filter FPR 10, MERV 12 CF200D1625 - The Home Depot