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Filterbuy 21x24.5x5 MERV 11 Air Filter (2-Pack) for HVAC

Filterbuy ★ 4.0/5 · ItemOracle Score Mid-Range

$88 USD
Price subject to change
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Filterbuy 21x24.5x5 Air Filter MERV 11 Superior Pet & Allergy Defense (2-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 media for dust and allergens. Helps improve airflow and system efficiency; customers note easy installation and good value

Highlights

  • MERV 11 synthetic media
  • Actual size closer to 20.63 x 24.13 x 4.38
  • 2-pack convenience

Pros

  • MERV 11 filtration captures dust
  • Easy installation
  • Good value per past feedback
  • Suitable for furnace, air conditioner, or heat pump

Cons

  • Some reports of size not fitting all units
  • Mixed views on sturdiness

Best For

  • furnace replacement
  • air conditioner filter replacement
  • heat pump filtration
  • pet dander and allergen reduction
  • home air quality improvement
  • multi-unit HVAC systems

Features

  • Actual size 20.63 x 24.13 x 4.38 inches with 8 pleats per foot
  • MERV 11 synthetic media captures allergens and pet dander
  • Electrostatically charged media provides 3x longer filtration than fiberglass (replace every 90 days)
  • Dual wire backing and beverage board frame resists extreme temperatures
  • Compatible with Rheem/Ruud models PD540014 and PD540020

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