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Filterbuy 18x21x1 MERV 13 Air Filter (2-Pack)

Filterbuy ★ 4.2/5 · ItemOracle Score Mid-Range

$51 USD
Price subject to change
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Filterbuy 18x21x1 Air Filter MERV 13 Optimal Smoke & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 18.00 x 21.00 x 0.75)

Universal 18x21x1 air filters with MERV 13 media for enhanced HVAC efficiency and healthier air. Customers note good quality and easy installation, with mixed views on size fit

Highlights

  • MERV 13 synthetic media
  • 18x21x1 actual size
  • electrostatic pleated design

Pros

  • universal compatibility
  • high-efficiency MERV 13 media
  • easy installation
  • dual-pack value

Cons

  • size may vary from advertised
  • mixed build quality

Best For

  • furnace filtration
  • air conditioner filtration
  • heat pump filtration
  • dust and allergen reduction
  • residential and commercial HVAC systems

Features

  • Universal 18x21x1 replacement air filters for furnaces, air conditioners, or heat pumps
  • MERV 13 filtration captures 98% of dust, with synthetic media
  • Electrostatically charged media with 16 pleats per foot for longer life
  • Dual wire backing with beverage board frame for durability in extreme temperatures
  • Made in the USA from recyclable materials

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