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Filterbuy 18x21x0.75 MERV 11 Air Filter (3-Pack)

Filterbuy ★ 4.0/5 · ItemOracle Score Mid-Range

$60 USD
Price subject to change
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Filterbuy 18x21x1 Air Filter MERV 11 Superior Pet & Allergy Defense (3-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 18.00 x 21.00 x 0.75)

Air filter replacement with MERV 11 performance for enhanced filtration. Customers note high quality and effective dust capture, with some sizing discrepancies

Highlights

  • MERV 11 filtration
  • 18x21x0.75 actual size
  • universal compatibility

Pros

  • MERV 11 synthetic media
  • Universal 18x21x1 compatibility
  • Improves air quality
  • Sturdy and durable construction
  • Made in USA

Cons

  • Actual size may be smaller than expected

Best For

  • furnace filtration
  • air conditioner filtration
  • heat pump filtration
  • dust and allergen reduction
  • pet dander filtration
  • home and office HVAC maintenance

Features

  • Universal 18x21x1 replacement filters for furnaces, air conditioners, or heat pumps
  • MERV 11 performance with synthetic media capturing 95% of dust while maintaining airflow
  • Electrostatically charged media with 14 pleats per foot for longer-lasting filtration
  • Durable beverage board frames with dual wire backing for improved temperature resistance
  • Made in the USA from industrial-grade, recyclable materials

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