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Filtrete™ Filters

For over 30 years, Filtrete™ Filters have delivered cleaner air to millions of homes, becoming a leader in residential air filtration. As a result, Filtrete™ Brand is the most trusted brand* for HVAC filters on the market today.​

*Based on the 2024 Sago Brand Health Study

 

  • 3M Filtrete filter diagram showing pleats, electrostatic charge, and filter media features.
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    3M™ Proprietary Technology

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Electrostatic Charge

Most Filtrete Filters (those MPR 300 and above) are pleated with an electrostatic charge. The charge acts like a magnet to capture microscopic allergens and particles without restricting airflow.

Filter Media

Filtrete Filter media is less than 15% fibre - the rest is air. The low density allows air to flow through and helps the filter load through the depth of the media, not just on the surface.

Pleats

More pleats mean more surface area to fill with unwanted particles.

MPR and MERV Ratings

The higher the MPR, the more microparticles your filter will help capture from the air (think pollen, pet dander, bacteria, and viruses.) More familiar with MERV ratings? Learn more about how our filters stack up.

Filtrete Refillable Air Filter packaging displayed against a blue background.