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Filterbuy 17.5x21x5 MERV 11 Pleated Air Filter (2-Pack)

Filterbuy ★ 4.1/5 · ItemOracle Score Mid-Range

$83 USD
Price subject to change
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Filterbuy 17.5x21x5 Air Filter MERV 11 Superior Pet & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters for Rheem, Ruud, and Protech (Actual Size: 17.13 x 20.63 x 4.38)

Electrostatic pleated HVAC filter with MERV 11 ratings for dust and allergen reduction. Customers note good quality, easy installation, and effective filtration in multi-dog households

Highlights

  • MERV 11 synthetic media
  • electrostatic pleated design
  • actual size close to 17.13 x 20.63 x 4.38

Pros

  • high-efficiency MERV 11 filtration
  • easy to install
  • effective for allergens and pet dander
  • sized for common furnace/AC units

Cons

  • fit may vary by furnace size
  • some report size mismatch with exact dimensions
  • mixed perceptions on rigidity

Best For

  • furnace airflow improvement
  • air conditioner filtration
  • pet dander and dust reduction
  • household allergy management
  • three-dog household filtration
  • multi-unit HVAC system use

Features

  • Fits 17.5x21x5 size furnace filter slots; actual size 17.13x20.63x4.38
  • MERV 11 filtration captures dust and allergens with synthetic media
  • Electrostatically charged, 8 pleats per foot for longer filtration life
  • Durable dual wire-backed beverage board frame for secure installation
  • Compatible with Rheem/Ruud filter parts PD540010 and PD540016

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