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Filterbuy 16x21x1 MERV 11 Replacement Filters, 4-Pack

Filterbuy ★ 4.2/5 · ItemOracle Score Mid-Range

$68.96
Last verified 2 hours ago · Subject to change
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Filterbuy 16x21x1 Air Filter MERV 11 Superior Pet & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 15.50 x 20.50 x 0.75)

Universal 16x21x1 pleated filters with MERV 11 media for allergy and pet defense. Improves HVAC efficiency and air quality. Customers note good quality and value, with some reporting size discrepancies

Highlights

  • MERV 11 synthetic media
  • actual size closely matches product data
  • 4-pack for multiple use

Pros

  • universal 16x21x1 compatibility
  • MERV 11 filtration for dust and allergens
  • electrostatic pleated design
  • made in USA
  • sturdy construction

Cons

  • some customers report size not matching stated dimensions
  • some report restricted airflow for certain furnaces

Best For

  • furnace filter replacement
  • air conditioner filter replacement
  • heat pump filtration
  • allergen reduction in homes
  • pet dander control
  • improving indoor air quality

Features

  • Universal 16x21x1 replacement filter for furnaces, air conditioners, or heat pumps
  • MERV 11 media captures 95% of dust and targets allergens and pet dander
  • Electrostatically charged pleated design with 14 pleats per foot for longer life
  • Durable beverage board frame with dual wire backing for temperature resistance
  • Made in the USA from recyclable materials using industrial-grade construction

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