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Filterbuy 21x27x5 MERV 11 Pleated Air Filter

Filterbuy ★ 3.9/5 · ItemOracle Score Mid-Range

$77 USD
Price subject to change
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Filterbuy 21x27x5 Air Filter MERV 11 Superior Pet & Allergy Defense (1-Pack), Pleated HVAC AC Furnace Filters for Trane Perfect Fit & American Standard (Actual Size: 20.56 x 26.13 x 4.97)

Pleated HVAC air filter with MERV 11 for allergens and pets. Helps maintain airflow and filter performance; customers note good fit and value

Highlights

  • MERV 11 synthetic media
  • Captures dust effectively
  • Pet and allergy defense

Pros

  • MERV 11 filtration
  • Good fit for 21x27x5 size
  • Effective against dust and pet hair
  • Long-lasting performance
  • Positive customer perceived value

Cons

  • Actual size slightly smaller than nominal (20.56 x 26.13 x 4.97)
  • Some customers note it's a replacement for specific units

Best For

  • furnace filter replacement
  • air conditioner filter replacement
  • heat pump filtration
  • home allergy control
  • pet hair reduction in HVAC
  • household air quality improvement

Features

  • Whole-house 21x27x5 air filters for furnace, AC, or heat pump installation
  • MERV 11 rating with synthetic media, captures 95% of dust and allergens
  • Electrostatically charged media with 8 pleats per foot, USA-made for longer life
  • Durable beverage board frame with dual wire backing for temperature resistance
  • Compatible with Trane Perfect Fit and American Standard models

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