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Filterbuy 20x21x1 MERV 11 Air Filter 2-Pack

Filterbuy ★ 4.3/5 · ItemOracle Score Mid-Range

$39 USD
Price subject to change
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Filterbuy 20x21x1 Air Filter MERV 11 Superior Pet & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 19.50 x 20.50 x 0.75)

MERV 11 pleated air filters for furnace/ac/heat pump. Improves air quality and reduces dust buildup. Customers note good quality, easy installation, and value

Highlights

  • MERV 11 protection
  • 20x21x1 replacement for hvac
  • actual size close to 19.5x20.5x0.75

Pros

  • universal compatibility
  • easy to install
  • improves air quality
  • built with synthetic media
  • made in USA

Cons

  • mixed feedback on actual size
  • some say size not exact

Best For

  • use with furnace
  • use with air conditioner
  • use with heat pump
  • pet and allergy defense
  • dust reduction in ducts
  • hvac system efficiency support

Features

  • Universal 20x21x1 replacement filter for furnaces, air conditioners, and heat pumps
  • MERV 11 synthetic media traps 95% of dust, pets, and allergens without restricting airflow
  • Electrostatically charged, 14 pleats per foot for extended filtration life (approx. 3x fiberglass)
  • Durable beverage board frame with dual wire backing for improved temperature tolerance
  • Made in the USA from industrial-grade recyclable materials

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