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Filterbuy 21x21x1 Air Filter, MERV 11, 12-Pack

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$119 USD
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Filterbuy 21x21x1 Air Filter MERV 11 Superior Pet & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 20.88 x 20.88 x 0.75)

MERV 11 pleated air filters for furnaces, ACs, or heat pumps. Enhances system efficiency and captures dust, pollen, and pet dander. Customers note solid quality, easy installation, and good value, with some size fit concerns

Highlights

  • MERV 11 synthetic media
  • Actual size 20.88 x 20.88 x 0.75
  • Universal compatibility within 21x21x1

Pros

  • MERV 11 filtration
  • Electrostatic pleated design
  • Easy installation
  • Solid build quality
  • Good value for money

Cons

  • Some customers report size not fitting exactly

Best For

  • furnace filter replacement
  • air conditioner filter replacement
  • heat pump filter replacement
  • pet dander reduction
  • dust control in homes
  • allergen reduction

Features

  • Universal 21x21x1 replacement filter for furnaces, ACs, and heat pumps
  • MERV 11 synthetic media captures dust, pet dander, and allergens with 95% efficiency
  • Electrostatically charged with 14 pleats per foot for longer-lasting filtration
  • Durable beverage board frame with dual wire backing resists high temperatures
  • Made in the USA from recyclable materials with actual size 20.88 x 20.88 x 0.75 inches

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