Filtrete 20x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack Actual Size 19.81 x 23.81 x 0.81 in
Filtrete 20x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack Actual Size 19.81 x 23.81 x 0.81 in
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Filtrete 20x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack Actual Size 19.81 x 23.81 x 0.81 in

4.7 stars out of 510 reviews
(4.7)|
510 ratings

Key item features

  • Filter Performance: This 2-pack of Filtrete AC Furnace Air Filters features a MERV 11 and MPR 1000 rating, designed to capture numerous microparticles for a cleaner home environment.
  • Advanced Filtration: Utilizing exclusive Filtrete 3-in-1 technology, these pleated filters effectively pull in and trap unwanted particles, allowing cleaner air to circulate.
  • Optimal Lifespan: Each 1-inch electrostatic air cleaning filter is designed for a 3-month lifespan, with replacement recommended every 90 days for optimal performance.
  • Precise Dimensions: The actual size of these filters is 19.81 x 23.81 x 0.81 inches, differing slightly from the nominal 20x24x1 inch sizing.
  • Versatile Application: These filters are suitable for use in various systems, including furnaces, air conditioners, heating systems, and HVAC units.
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4.7 out of 5 stars
stars510 ratings473 reviews
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Aug 20, 2015
MikeM_inMD
5 out of 5 stars review

We have a variety of allergy issues in our family - dust, grass pollen, tree pollen, cat dander, etc. We have been using the "Allergen Defense" filters for many years and "swear by them". We have tried other brands, but we always come back to Filtrete.

Review from filtrete.com
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Feb 26, 2019
Texastransplant1
5 out of 5 stars review

Decrease Allergy Symptoms

[This review was collected as part of a promotion.] My daughter and I moved to Texas from Wisconsin 2 years ago and experienced the surge of year-round allergies that this area is known for. Our landlord recommended this allergy filter and boy did it help! We both have less symptoms and I now only need occasional allergy medication. Will definitely keep buying!

Review from filtrete.com
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Feb 28, 2015
ebiondo
5 out of 5 stars review

Great Job!

We always use your Filtrete Allergen Defense filters. I have allergies, the most prevelent are pollen, house dust, & mold. Your filters allow me to live, virtually allergy-free (indoors). Wish you could create a product that worked for me outside. :)

Review from filtrete.com
Helpful?6NLCGNG0DLLS816850806