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Filterbuy 20x21x5 MERV 13 Air Filter (2-Pack)

Filterbuy ★ 3.9/5 · ItemOracle Score Mid-Range

$123 USD
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Filterbuy 20x21x5 Air Filter MERV 13 Optimal Smoke & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement for Lennox and Electro-Air (Actual Size: 19.88 x 20.50 x 4.38)

MERV 13 pleated air filters for furnaces, air conditioners, or heat pumps. Improves air quality with synthetic media while maintaining airflow. Customers note easy installation and good value, with some sizing concerns

Highlights

  • MERV 13 synthetic media
  • 2-pack for replacement needs
  • Actual size considerations

Pros

  • MERV 13 filtration for allergens and dust
  • Electrostatic pleated design
  • Easy to install when aligned properly
  • Suitable for furnace, AC, or heat pump
  • Two-pack for replacement needs

Cons

  • Occasional sizing issues
  • Some customers find sturdiness mixed

Best For

  • furnace filtration
  • air conditioner filtration
  • heat pump filtration
  • home or small business use
  • allergen reduction in living spaces
  • regular HVAC maintenance

Features

  • Whole house 20x21x5 air filter replacement for HVAC systems
  • MERV 13 synthetic media captures 98% of dust, germs, and bacteria
  • Electrostatically charged media with 11 pleats per foot for longer life
  • Made in the USA with recyclable beverage board frames and dual wire backing
  • Compatible with Lennox Lennox X8790 and PC0 14-23 housing parts

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