Filterbuy 20x21x5 Lennox Compatible MERV 8 Air Filter

MERV 8 Replacement for Lennox 20x21x5 (20x20.63x4.38)
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MERV 8 / Silver
Standard
6 Month Filter
  • MERV 8 Replacement for Lennox 20x21x5 (20x20.63x4.38)
  • Actual Size 20x20.63x4.38"
  • Traps and blocks over 90% of pollen, dust mites, mold, larger dust particles, and more.
  • 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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