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Filterbuy 20x20x5 Air Filter with MERV 11 (3-Pack) for HVAC

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$140 USD
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Filterbuy 20x20x5 Air Filter MERV 11 Superior Pet & Allergy Defense (3-Pack), Electrostatic Pleated HVAC AC Furnace Filters for Honeywell Return Grille FC40R1003 (Actual Size: 18.38 x 18.38 x 3.69)

20x20x5 air filters with MERV 11 synthetic media for HVAC systems. Helps reduce dust and allergens while maintaining airflow. Customers note good value and quality, with mixed fit feedback

Highlights

  • MERV 11 performance
  • 3-pack convenience
  • Actual size mention

Pros

  • MERV 11 filtration
  • Synthetic media for dust capture
  • Includes 3-pack for coverage
  • Designed for multiple HVAC types
  • Appropriate for pet and allergy defense

Cons

  • Mixed feedback on fit with units

Best For

  • furnace filter
  • air conditioner filter
  • heat pump filter
  • home allergy protection
  • pet dander filtration
  • whole-house filtration

Features

  • Whole house replacement 20x20x5 air filters for furnace and HVAC systems
  • MERV 11 synthetic media traps dust and allergens without restricting airflow
  • Electrostatically charged media with 8 pleats per foot for longer-lasting filtration
  • Durable recyclable beverage-board frame with dual wire backing for temperature resistance
  • Compatible with Honeywell models FC40R1003 and FC35A1043

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