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Best Aftermarket Furnace Filters

From leading brands and best sellers available on the web.

Winner

AIRx Filters 20x30x1 Air Filter MER

AIRx Filters

AIRx Filters 20x30x1 Air Filter MERV 11 Pleated HVAC AC Furnace Air Filter, Allergy 6-Pack, Made in the USA

AIRx Filters 24x25x1 Air Filter MER

AIRx Filters

AIRx Filters 24x25x1 Air Filter MERV 11 Pleated HVAC AC Furnace Air Filter, Allergy 6-Pack, Made in the USA

AIRx Filters Dust 19.75x21.5x1 Air

AIRx Filters

AIRx Filters Dust 19.75x21.5x1 Air Filter MERV 8 AC Furnace Pleated Air Filter Replacement Box of 6, Made in the USA

20x25x6 AIRX ALLERGY Aprilaire 201

AIRx Filters

20x25x6 AIRX ALLERGY Aprilaire 201 Replacement Air Filter - MERV 11

20x25x5 AirKontrol Aftermarket Repl

FilterBuy

20x25x5 AirKontrol Aftermarket Replacement AC Furnace Air Filters - AFB Gold MERV 11 - Pack of 2 Filters. Designed to replace Dust Patroler DP2000.

AIRx Filters Dust 15x25x1 Air Filte

AIRx Filters

AIRx Filters Dust 15x25x1 Air Filter MERV 8 AC Furnace Pleated Air Filter Replacement Box of 6, Made in the USA

AIRx Filters 14x24x1 Air Filter MER

AIRx Filters

AIRx Filters 14x24x1 Air Filter MERV 11 Pleated HVAC AC Furnace Air Filter, Air Beast 4-Pack, Made in the USA

AIRx Filters Dust 16x18x1 Air Filte

AIRx Filters

AIRx Filters Dust 16x18x1 Air Filter MERV 8 AC Furnace Pleated Air Filter Replacement Box of 6, Made in the USA

AIRx Filters 16x20x1 Air Filter MER

AIRx Filters

AIRx Filters 16x20x1 Air Filter MERV 11 Pleated HVAC AC Furnace Air Filter, Air Beast 4-Pack, Made in the USA

Beehive Aftermarket Filter HD-1499

Beehive Filter

Beehive Aftermarket Filter HD-1499 High Performance Air Filter Compatible with Motorcycle