4.19 in. x 21.44 in. x 4.25 in. Media Air Filter MERV 13

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Aprilaire 313 4.19 in. x 21.44 in. x 4.25 in. Media Air Filter MERV 13

Item #: 313 by Aprilaire

UPC #: 686720003134

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MERV Rating (Minimum Efficiency Reporting Value)


HVAC Product Type

Air Filter

Contaminants Captured

Allergens, Bacteria, Dust Mites, Dust/Lint, Mold Spores, Pet Dander, Pollen

Air Filter Width (in.)


Air Filter Size


Air Filter Height (in.)


Air Filter Depth (in.)


Manufacturer Warranty


Pack Size




A small change can make a big difference for the health of your home environment. AprilAire delivers that difference with the AprilAire Healthy Air 13 air filter. It captures 93% of airborne viruses, common airborne allergens including dust, pollen, mold spores, bacteria, pet dander, and dust mites as they pass through air filter. In addition, your HVAC system is protected from airborne particles, which helps lower your energy costs, and can prolong the life of your equipment. This replacement air filter is easy to install, with no assembly or reinforcements to worry about. Our 'Pure Fit Promise' means this genuine AprilAire air filter will fit your AprilAire air purifier exactly, and the patented Self-Seal Technology prevents contaminated impure air from bypassing the air filter. Discover a healthier home environment with an AprilAire Healthy Air 13 replacement air filter . Genuine AprilAire filters are specifically engineered to work with your AprilAire air cleaner. They are effective for 6-12 months compared to the traditional 1-3 month filter, saving you time and money. Our 4-inch filters provide more filter area for harmful particles to be captured compared to the traditional 1-inch filters. AprilAire's patented self-seal technology assures no air will pass by unfiltered, keeping your home clean and HVAC system operating at peak performance.

  • Captures 93% of airborne viruses
  • Convenient 1-Pack Offers 1-Year Supply
  • Lasts up to one year for optimal performance
  • Filters dust, pollen, pet dander, mold spores, and dust mites from the air entering your home
  • Easy to install in the unique AprilAire Interlock Rail System. Better performance due to the patented AprilAire Self-Seal Technology which minimizes the amount of air bypassing the filter. 10-year Clean-Coil Commitment ensures the performance of your air filter