Filterbuy 20x21x5 Lennox Compatible MERV 11 Air Filter

MERV 11 Replacement for Lennox 20x21x5 (19.88x20.50x4.38")
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icon indicates a Minimum Efficacy Rating Value of 11 for the replacement air filter
MERV 11 / Gold
Superior
6 Month Filter
  • MERV 11 Replacement for Lennox 20x21x5 (20x20.63x4.38)
  • Actual Size 19.88x20.50x4.38"
  • Attracts and captures pet dander, lint, dust, pollen, dust mite debris, mold spores, smoke, and smog.
  • Ideal for standard and residential commercial use
  • Designed to last 180 days. Replace regularly for optimum performance.
  • Free shipping on all orders!
  • Learn more about 20x21x5 Air Filter - Lennox.
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Made in the USA
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