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Which MERV Rating Is Right For You?

Helps capture
MERV 10 air filter MERV 10
MERV 11 air filter MERV 11 Most Popular
MERV 13 air filter MERV 13
Dust, Lint & Debris
Pollen & Mold Spores
Pet Dander
Smoke Particles ×
Bacteria Carriers × ×
Virus Carriers × ×

MERV 10

Good for everyday homes focused on dust, pollen, and airflow.

MERV 13

Maximum residential filtration for allergies, smoke, and indoor air quality.

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Smart filter upgrade

Return Grille Filters

These aftermarket return grille filters are designed to let you upgrade to a thicker, higher-capacity filter without changing your existing return frame. A raised header around the edge allows a 4-inch filter to seat securely in standard 1-inch return grille openings, improving airflow efficiency and filtration in one simple swap.

  • Upgrades standard 1-inch return grilles to a thicker 4-inch filter
  • Raised header design for a secure, proper fit
  • High quality aftermarket replacement
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Quality Aftermarket Replacement

Introducing Polarized Media

Designed for polarized-media electronic air cleaners, these filters use an activated-carbon center screen to help capture airborne contaminants and reduce household odors.

  • Helps reduce cigarette smoke, dust, pollen, and odors
  • Activated-carbon center screen for enhanced air cleaning
  • Compatible with popular OEM polarized-media systems
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Helpful Air Filter Guides

Simple tips to help you choose the right filter and keep your air cleaner.

Nominal vs Actual Air Filter Sizes: A Guide for Homeowners

Nominal vs Actual Air Filter Sizes: A Guide for Homeowners

When it comes to air filters, there are two sizes you may come across: the "nominal" size and the "actual" size. The nominal size is the size you see printed on the filter package, and it is rounded up to the nearest whole inch. This is the size that you would typically use when searching for a replacement filter. The actual size, on the other hand, is the precise measurement of the filter down to one eighth of an inch. It is accurate and specific, but it can be difficult to work with when trying to find a replacement filter.
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