Filtrete 20x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 19.719 x 19.719 x 0.84 in)

TLDR Review: "Filtrete 20x20x1 MERV 11 Air Filter"

Published: June 16th, 2025
Last Updated: July 18th, 2025

Pros

  • β€’Offers the best MERV rating for balancing air quality and HVAC efficiency.
  • β€’Improves allergy and asthma control, reducing dust and allergy flarps.
  • β€’Maintains airflow without compromising AC performance.
  • β€’Provides cleaner air and lasts around six weeks, longer than some basic filters.
  • β€’Highly recommended for those with severe allergies or respiratory issues.
  • β€’Noticeably decreases dust levels and improves air quality better than standard filters.
  • β€’More affordable compared to higherade options, costing approximately $25 per filter.
  • β€’Provides a variety of MERV ratings and sizes to suit different filtration needs.

Cons

  • β€’Some users feel it's not worth the cost.
  • β€’Limited availability of the charcoal option for odor control.
  • β€’Filter sizes may run slightly large, leading to fitting issues.
  • β€’Packaging can be problematic, causing difficulty in inserting the filter.
  • β€’Some users had trouble with filter placement, leading to damage.
  • β€’Nominal sizes can cause compatibility issues for notandard air grille dimensions.
  • β€’Previous experiences with Honeywell filters were easier for some users.
  • β€’Does not fit well in a marketed 20X25X1 opening, causing frustration.
  • β€’May require more frequent replacements than other higrade filters.

Bottom Line

The Filtrete 20x20x1 AC Furnace Air Filter is a promising choice for improving indoor air quality, especially for those suffering from allergies. Despite some fitting issues and packaging complaints, it balances performance with cost-effectiveness, making it a viable option for many households. If the sizing issues seem concerning, consider consulting with a professional to find the right filter fit for your HVAC system, or potentially look into Honeywell filters for a smoother installation experience.

Lowest at any Popular Retailer
$19.11 at Amazon

Where to Buy

Prices last updated: August 6th 2025 8:30 pm
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