Quality alternative to the OEM filter that offers more affordability without compromising filtration performance or efficiency. Compatible with Honeywell / Trane / American Standard TRN2621T1, BAYFTAH26M, BAYFTAH26M2, and FLR06074 whole house air filters. 21x26x5 NOMINAL: The actual size of this replacement filter is 25.7" x 20.1" x 5". MERV 8 RATING: Breathe easier in your home as our filter clears the air of lint, hair, and other indoor pollutants. MADE IN USA: Our pleated furnace filters are Made in the USA and offer a high quality replacement air filter option for your air conditioner and/or furnace unit without the high cost.

Find a value pack of high quality replacement MERV 8 furnace filters from SpiroPure. SpiroPure pleated AC & Furnace filters are made in the USA and are the perfect choice for most standard residential and light commercial air conditioner and furnace units. Please measure your existing air filter before ordering to ensure that this size will be compatible with your AC & furnace system.

We recommend replacing your furnace filter every 3 to 4 months for maximum efficiency and cooling and heating system life.