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Filterbuy 17.5x21x5 MERV 8 Pleated HVAC Filter

Filterbuy ★ 3.9/5 · ItemOracle Score Mid-Range

$59 USD
Price subject to change
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Filterbuy 17.5x21x5 Air Filter MERV 8 Essential Dust & Allergy Defense (1-Pack), Electrostatic Pleated HVAC AC Furnace Filters for Rheem, Ruud, and Protech (Actual Size: 17.13 x 20.63 x 4.38)

Vital home air filter for furnace, air conditioner, or heat pump. Helps reduce pollen, lint, and mold while supporting HVAC efficiency. Customers note OEM-like quality and easy installation, with mixed fit and build quality feedback

Highlights

  • MERV 8 filtration
  • electrostatic pleated design
  • actual size closely matches listed dimensions

Pros

  • OEM-like quality
  • easy installation
  • filters pollen, lint, mold

Cons

  • fit may not align perfectly
  • build quality varies
  • some report damaged filter

Best For

  • furnace filtration
  • air conditioner filtration
  • heat pump filtration
  • dust and allergen reduction in home
  • HVAC system efficiency support
  • replacement for compatible Rheem/Ruud/Protech units

Features

  • Actual size 17.13 x 20.63 x 4.38 inches for furnace compatibility
  • MERV 8 performance captures dust, pollen, lint, mold and more
  • Electrostatically charged media with 8 pleats per foot for longer life
  • USA-made framing with dual wire backing for durable installation
  • Replace every 90 days for best results with 17.5 x 21 x 5 overall sizing

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