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Filterbuy 21x24.5x5 MERV 11 Pleated Air Filter

Filterbuy ★ 4.1/5 · ItemOracle Score Mid-Range

$49 USD
Price subject to change
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Filterbuy 21x24.5x5 Air Filter MERV 11 Superior Pet & Allergy Defense (1-Pack), Electrostatic Pleated HVAC AC Furnace Filters for Rheem, Ruud, and Protech (Actual Size: 20.63 x 24.13 x 4.38)

Electrostatic pleated HVAC filter with MERV 11 for allergens and pets. Helps improve airflow and efficiency; customers note good fit and value

Highlights

  • MERV 11 filtration
  • Electrostatic pleated design
  • Actual size precisely fits many systems

Pros

  • MERV 11 synthetic media
  • Captures dust and pet dander
  • Good fit for 20.63 x 24.13 x 4.38 actual size
  • Long-lasting performance according to customers
  • Compatible with multiple furnaces and AC units

Cons

  • Actual size differs from nominal
  • Some customers mention only moderate price/value perspective

Best For

  • furnace filter replacement
  • air conditioner filter replacement
  • pet hair and dust reduction
  • allergen reduction in households
  • hvac system protection
  • home air quality improvement

Features

  • Actual size 20.63 x 24.13 x 4.38 inches for fit verification
  • MERV 11 rated synthetic media captures dust while maintaining airflow
  • Electrostatically charged media with 8 pleats per foot for extended life
  • Recyclable beverage board frame with dual wire backing for durability
  • Compatible with Rheem, Ruud, and Protech models (PD540014, PD540020)

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