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21.25x21.25x4 MERV 13 Pleated Air Filter

21.25x21.25x4 MERV 13 Pleated Air Filter

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4 21.25x21.25x4 Air Filter for 29.99 each

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  • 21.25x21.25x4 MERV 13 filters made and manufactured by FilterBuy
  • Actual Size 21.25x21.25x4"
  • Hospital Grade. Attracts and captures airborne particles or allergens less than one micron in size such as pollen, fine dust, pet dander. Also captures bacteria, viruses carrying particles, mold spores and smoke.
  • Ideal for standard and residential commercial use
  • Designed to last 90 days. Replace regularly for optimum performance.
  • Free shipping on all orders!
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