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Filterbuy 18x22x1 MERV 11 Air Filter (4-Pack)

Filterbuy ★ 4.3/5 · ItemOracle Score Mid-Range

$60 USD
Price subject to change
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Filterbuy 18x22x1 Air Filter MERV 11 Superior Pet & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 17.75 x 21.75 x 0.75)

18x22x1 electrostatic pleated air filters with MERV 11 performance. Helps capture dust and allergens while supporting airflow. Some customers note fit and size concerns

Highlights

  • MERV 11 synthetic media
  • universal 18x22x1 compatibility
  • 4-pack value

Pros

  • universal compatibility for furnace, AC, or heat pump
  • MERV 11 filtration for allergens and pets
  • electrostatic pleated design
  • includes 4-pack residential use

Cons

  • some reports of fit issues
  • actual size may differ from stated
  • airflow restriction reported by some users

Best For

  • home allergy relief
  • furnace and AC filter replacement
  • pet dander reduction
  • dust reduction in living spaces
  • monthly HVAC maintenance

Features

  • Universal 18x22x1 replacement filter for furnaces, air conditioners, or heat pumps
  • MERV 11 synthetic media captures 95% of dust and allergens without restricting airflow
  • Electrostatically charged pleated media with 14 pleats per foot for longer-lasting filtration
  • Durable beverage board frame with dual wire backing for improved temperature resistance
  • Made in the USA with industrial-grade, recyclable materials

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