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Filterbuy MERV 11 20x21x5 Pleated Air Filter

Filterbuy ★ 3.9/5 · ItemOracle Score Mid-Range

$76 USD
Price subject to change
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Filterbuy 20x21x5 Air Filter MERV 11 Superior Pet & Allergy Defense (1-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement for Lennox and Electro-Air (Actual Size: 19.88 x 20.50 x 4.38)

MERV 11 pleated air filter for furnaces, air conditioners, or heat pumps. Improves HVAC efficiency and reduces allergens; customers note good fit and value

Highlights

  • MERV 11 filtration
  • electrostatic pleated design
  • suitable for multiple HVAC systems

Pros

  • MERV 11 synthetic media
  • 20x21x5 actual size closely matches
  • Helps reduce allergens and pet dander
  • Good fit according to customers
  • Longevity mentioned by users

Cons

  • Actual size differs from nominal
  • Some users mention multiple uses; limited data on performance longevity

Best For

  • furnace filter replacement
  • air conditioner filtration
  • heat pump filtration
  • pet-friendly home filtration
  • allergen reduction in home
  • system protection for HVAC

Features

  • Fits 20x21x5 inch filter size with actual 19.88 x 20.50 x 4.38 inches
  • MERV 11 rating captures dust and allergens with synthetic media
  • Electrostatically charged media with 8 pleats per foot for filtration
  • Durable beverage board frame with dual wire backing for temperature resistance
  • Compatible with Lennox X8790 / PC014-23 housing parts

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