Lennox 20x21x5

Aftermarket Replacement by Accumulair


or 4 interest-free payments with

Nominal size 20" x 21" x 5" (Actual size 20" x 20 5/8" x 4 3/8")

Accumulair Filter for Lennox #X8790

  • Fits Lennox model #PCO14-23.
  • What is MERV?
  • Great for reducing airborne particles such as dust, pollen, mold spores, tobacco smoke, pet dander, and particles that carry viruses.
  • Superior frame strength utilizing double-wall construction and die-cut fingers.
  • High-efficiency filter media collects small dust particles before they can collect on your coils.
  • Made in the USA.
  • Lasts up to 6 Months!