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Filterbuy 18x25x1 MERV 11 Pleated Air Filter (4-Pack)

Filterbuy ★ 4.2/5 · ItemOracle Score Mid-Range

$70 USD
Price subject to change
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Filterbuy 18x25x1 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 24.50 x 0.75)

Air filter with MERV 11 synthetic media for allergens and pets. Actual size 17.50 x 24.50 x 0.75 inches. Customers note good quality and value; some report size discrepancies and airflow issues

Highlights

  • MERV 11 filtration
  • Actual size 17.50 x 24.50 x 0.75
  • 4-pack value option

Pros

  • MERV 11 filtration
  • Allergen and pet defense
  • Synthetic pleated media
  • Made in USA
  • Universal compatibility

Cons

  • Size may differ from stated
  • Some reports of airflow restriction
  • Occasional fit issues with furnaces

Best For

  • furnace filter replacement
  • air conditioner filter replacement
  • heat pump filter replacement
  • allergy-friendly home maintenance
  • dust reduction in living spaces
  • pet dander filtration

Features

  • Universal 18x25x1 replacement filter compatible with furnace, air conditioner, and heat pump
  • MERV 11 performance captures 95% of dust and allergens with synthetic media
  • Electrostatically charged with 14 pleats per foot for extended filtration life (approx. 3x fiberglass durability) and 90-day replacement guidance
  • Durable beverage board frame with dual wire backing improves rigidity against extreme temperatures
  • Made in the USA from industrial-grade, recyclable materials for dependable indoor air quality

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