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SKU 7100188258
Legacy SKU 70009104830
UPC 00051111098028
Catalog Number 9802-4
Product Number 9802-4

The Filtrete Allergen Defense Filter outperforms non-electrostatic pleated and washable 1-inch filters at capturing microscopic allergens like dust, smoke, and smog particles and large allergens like mold spores and pet dander.

  • #1 Recommended Brand* (*Filtrete Brand is the most recommended brand of HVAC Air Filters based on the US Filtrete Brand Health Tracker, Ipsos, June 2022)
  • The higher the MPR, the more microparticles--such as pollen, pet dander, smoke, bacteria and viruses--your filter will capture from the air passing through it
  • FOR OPTIMAL PERFORMANCE of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1 in. filters
  • A dirty filter will slow down air flow and make the system work harder to keep you warm or cool--wasting energy. Sign-up for a filter change reminder program (www.filtrete.com/ChangeReminders) that works for you!
  • OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. home air filters for your furnace, air conditioner or HVAC system
  • DESIGNED WITH EXCLUSIVE Filtrete™ Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through
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On it's way to you May 24   

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Minimum Order 4 Items
Order Increment 4 Items
  Outstanding Air Filteration
  Perfect for Offices
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  Lowest Price Per Item
Product Dimensions
Imperial Metric
Weight 0.81275 lbs
Width 19.72047
Length 0.84409
Height 19.7189
Thickness 1 in 2.54 cm
Shipping Dimensions
Weight 3.251 lb
Length 20.3748 in
Width 4.3748 in
Height 20.6248 in
Color White

PRODUCT FAQ

  1. How long can I use the Filtrete™ Allergen Defense Air Filter before needing to replace it?

    The Filtrete™ Allergen Defense Air Filter is recommended to be replaced every 3 months for optimal performance in maintaining clean indoor air.

  2. Is the Filtrete™ Allergen Defense Air Filter effective at capturing pet dander and dust particles?

    Yes, the Filtrete™ Allergen Defense Air Filter with a Micro Particle Performance Rating (MPR) of 1000 is designed to capture common airborne allergens like pet dander and dust particles, promoting cleaner air in your home.

  3. Will the 20 in x 20 in x 1 in size fit my HVAC system without any modifications?

    The dimensions of the Filtrete™ Allergen Defense Air Filter are compatible with most standard HVAC systems, including those requiring a filter size of 20 in x 20 in x 1 in. Simply measure your existing filter slot to ensure a proper fit.

Filtrete 20x20x1 MPR 1000 Air Filter

The Filtrete 20x20x1 MPR 1000 Air Filter, manufactured by 3M, is a high-quality filter designed to improve the air quality in your home. With its exclusive Filtrete 3-in-1 technology, this filter is capable of capturing a wide range of unwanted particles, ensuring a cleaner and fresher environment for you and your family.

Equipped with an MPR 1000 and MERV 11 rating, this AC filter is highly efficient in pulling and capturing microparticles such as pet dander, smoke, and smog. These particles, which can often go unnoticed, can have a negative impact on your indoor air quality. By using the Filtrete 20x20x1 MPR 1000 Air Filter, you can significantly reduce the presence of these harmful particles, allowing cleaner air to flow through your home.

In addition to microparticles, this filter is also effective in capturing larger particles, including lint, pollen, mold spores, and household dust. These common allergens and irritants can cause discomfort and respiratory issues, especially for individuals with allergies or asthma. By using the Filtrete 20x20x1 MPR 1000 Air Filter, you can create a healthier living environment by reducing the presence of these particles.

This filter is designed for use in a variety of heating, ventilation, and air conditioning (HVAC) systems, including furnaces and air conditioners. With a pleated 1-inch design, it is easy to install and replace. Each pack contains four filters, allowing you to have backups or use them in multiple areas of your home.

To ensure optimal performance of your heating and cooling system, it is recommended to change your furnace filter at least every 90 days. This regular maintenance will help keep your system running efficiently and prolong its lifespan.

Choose the Filtrete 20x20x1 MPR 1000 Air Filter for cleaner, fresher air in your home. Trust 3M, a leading brand in air filtration, to provide you with a reliable and effective solution for improving your indoor air quality.

(1) Based on the 2022 Ipsos US Brand Health Study of Residential HVAC Air Filters.