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Filterbuy 20x21x1 MERV 11 Air Filter (6-Pack)

Filterbuy ★ 4.0/5 · ItemOracle Score Mid-Range

$101 USD
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Filterbuy 20x21x1 Air Filter MERV 11 Superior Pet & Allergy Defense (6-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 19.50 x 20.50 x 0.75)

Universal 20x21x1 air filters with MERV 11 synthetic media for allergen and pet defense. Customers note good quality and solid fit, with some airflow variation

Highlights

  • mERV 11 filtration
  • universal 20x21x1 compatibility
  • pet & allergy defense

Pros

  • universal compatibility
  • merv 11 performance
  • synthetic pleated media
  • good fit in standard slots
  • made in usa

Cons

  • some customers report airflow issues
  • slightly smaller than advertised

Best For

  • furnace filter replacement
  • air conditioner filter replacement
  • hvac system maintenance
  • pet/allergen defense
  • dust reduction in homes
  • business/commercial spaces

Features

  • Universal 20x21x1 replacement with actual size 19.50 x 20.50 x 0.75 inches
  • MERV 11 synthetic media captures dust and allergens with high efficiency
  • Electrostatically charged with 14 pleats per foot for extended filtration life
  • Durable beverage board frames with dual wire backing resist extreme temperatures
  • Made in the USA from recyclable materials for dependable indoor air quality

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