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Filterbuy 18x21x1 Air Filter, MERV 11, 12-pack

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$191 USD
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Filterbuy 18x21x1 Air Filter MERV 11 (MPR 1200) Allergen Defense Replacement (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters, Made in USA (Actual Size: 18.00 x 21.00 x 0.75)

18x21x1 replacement air filters with MERV 11 synthetic media for allergen defense. Supports HVAC efficiency and healthy indoor air. customers note easy install and good value, with mixed feedback on dust collection

Highlights

  • merv 11 synthetic media
  • universal 18x21x1 compatibility
  • easy installation

Pros

  • universal compatibility 18x21x1
  • merv 11 filtration
  • easy to install
  • strong build
  • value for money

Cons

  • mixed dust collection feedback
  • size satisfaction varies

Best For

  • furnace air filtration
  • air conditioner filtration
  • heat pump filtration
  • allergen reduction in homes
  • pet dander filtration
  • current HVAC maintenance

Features

  • Universal 18x21x1 replacement air filters for HVAC systems
  • MERV 11 performance with synthetic media and 95% dust capture
  • Electrostatically charged 14-pleat design for longer filtration life
  • Bevelled beverage board frames with dual wire backing for durability
  • Made in the USA from recyclable materials

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