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21x21x1 MERV 11 Pleated Air Filter

21x21x1 MERV 11 Pleated Air Filter
Made in the USA
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icon indicates a Minimum Efficacy Rating Value of 11 for the replacement air filter
MERV 11 / Gold
Superior
3 Month Filter
  • 21x21x1 MERV 11 filters made and manufactured by FilterBuy
  • Actual Size 20.5x20.5x1"
  • 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 90 days. Replace regularly for optimum performance.
  • Free shipping on all orders!
  • Learn more about 21x21x1 Air Filters.
Other MERV Ratings Available
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Made in the USA
Filterbuy ships replacement air filters in 24 hours iconShips in 24 Hours

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