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Filterbuy 18x20x1 MERV 11 Air Filter (4-Pack)

Filterbuy ★ 4.3/5 · ItemOracle Score Mid-Range

$40 USD
Price subject to change
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Filterbuy 18x20x1 Air Filter MERV 11 Superior Pet & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 17.50 x 19.50 x 0.75)

Electrostatic pleated air filters with MERV 11 for allergen reduction. Real size 17.50" x 19.50" x 0.75"; customers note good air quality and value, with some sizing and fit considerations

Highlights

  • MERV 11 synthetic media
  • captures dust and allergens
  • universal 18x20x1 compatibility

Pros

  • MERV 11 filtration for allergens
  • Electrostatic pleated design
  • 4-pack for replacement needs
  • Made in USA
  • Universal compatibility

Cons

  • Actual size may differ from stated
  • Some fittings reported restricted airflow
  • Fit may vary by furnace model

Best For

  • allergy relief in homes
  • hvac filter replacement
  • dust reduction in living spaces
  • furnace and air conditioner filtration
  • pet dander control
  • business/commercial spaces

Features

  • Universal 18x20x1 size compatible with furnaces, ACs, and heat pumps
  • MERV 11 filtration captures dust and allergens with 95% efficiency
  • Electrostatically charged 14-pleat media for longer life, replace every 90 days
  • Easy installation with beverage board frames and dual wire backing
  • Made in the USA from recyclable materials with industrial-grade construction

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