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Filterbuy 18x18x1 MERV 11 Air Filter (4-Pack) - Electrostatic Pleated, Made in USA

Filterbuy ★ 4.2/5 · ItemOracle Score Mid-Range

$36 USD
Price subject to change
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Filterbuy 18x18x1 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 17.75 x 0.75)

Electrostatic pleated air filters for furnaces, air conditioners, or heat pumps with MERV 11 performance. Captures dust and allergens while maintaining airflow. Customers note good quality and value, though some report fit issues and smaller actual size

Highlights

  • MERV 11 protection
  • Universal 18x18x1 compatibility
  • Made in USA

Pros

  • MERV 11 filtration
  • Electrostatic pleated design
  • Universal 18x18x1 compatibility
  • Made in USA
  • Sturdy construction

Cons

  • Some reports of fit issues for certain furnaces
  • Actual size may be smaller than stated

Best For

  • furnace air filtration
  • air conditioner filtration
  • heat pump filtration
  • allergy relief in homes
  • pet dander reduction
  • multi-room home HVAC filtration

Features

  • Universal 18x18x1 replacement filters for furnaces, air conditioners, or heat pumps
  • MERV 11 synthetic media captures 95% of dust and allergens without restricting airflow
  • Electrostatically charged, 14 pleats per foot for longer-lasting filtration (about 3x fiberglass)
  • Easy installation with beverage board frames and dual wire backing for durability
  • Made in the USA with recyclable materials for dependable indoor air quality

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