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Filterbuy 20x21x1 MERV 11 Air Filter, 12-Pack

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$196 USD
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Filterbuy 20x21x1 Air Filter MERV 11 (MPR 1200) Allergen Defense Replacement (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters, Made in USA (Actual Size: 19.50 x 20.50 x 0.75)

Air filters with MERV 11 synthetic media for allergens. Actual size 19.50 x 20.50 x 0.75 inches. Mixed reviews on dust collection and size fit

Highlights

  • mERV 11 allergen protection
  • universal 20x21x1 compatibility
  • actual size close to 19.5x20.5x0.75

Pros

  • universal compatibility
  • merv 11 performance
  • electrostatic pleated design
  • made in usa
  • strong build

Cons

  • dust collection capacity mixed
  • size fit concerns mentioned

Best For

  • furnace air filtration
  • air conditioner filtration
  • heat pump filtration
  • allergen reduction in home
  • hvac system efficiency support
  • replacement filters for 20x21x1 units

Features

  • Universal 20x21x1 replacement filters for furnaces and air conditioners
  • MERV 11 synthetic media captures 95% of dust and allergens without restricting airflow
  • Electrostatically charged with 14 pleats per foot for extended filtration life
  • Durable beverage board frame with dual wire backing for temperature resilience
  • Made in the USA from recyclable materials (actual size 19.50 x 20.50 x 0.75 inches)

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