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Filterbuy 17x21x1 MERV 11 Air Filter (4-Pack) – Superior Pet & Allergy Defense

Filterbuy ★ 4.2/5 · ItemOracle Score Mid-Range

$68 USD
Price subject to change
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Filterbuy 17x21x1 Air Filter MERV 11 Superior Pet & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 16.50 x 20.50 x 0.75)

Affordable 4-pack air filters with MERV 11 media to capture dust and allergens. Designed for furnace, AC, or heat pump with a 16.50 x 20.50 x 0.75 actual size. Customers note good quality and value, though some report fit and size inconsistencies

Highlights

  • MERV 11 for allergen defense
  • 4-pack for extended use
  • Actual size 16.50 x 20.50 x 0.75

Pros

  • MERV 11 filtration
  • Electrostatic pleated media
  • Universal compatibility for HVAC systems
  • Includes 4-pack
  • Made in USA

Cons

  • Actual size may differ from stated
  • Some reports of restricted airflow
  • Fit may vary by furnace

Best For

  • furnace filter replacement
  • air conditioner filter replacement
  • heat pump filter replacement
  • allergy-friendly home improvement
  • pet-dense homes airflow maintenance
  • dust reduction in living spaces

Features

  • Universal 17x21x1 replacement air filters for furnace, AC, or heat pump
  • MERV 11 synthetic media captures dust and allergens with 95% efficiency
  • Electrostatically charged media with 14 pleats per foot for longer life
  • Durable beverage board frame with dual wire backing for rugged use
  • Made in the USA from recyclable materials, actual size 16.50 x 20.50 x 0.75

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