24" x 24" no header (box style) high efficiency particulate air (HEPA) filter offers 99.97% efficiency for filtering airborne particulates as small as 0.3 microns (µm). This standard capacity filter is designed to meet the highest level of filtration needed for such applications as pharmaceutical, hospital, electronic component manufacturing, aerospace, food processing and other environments that require HEPA filtration. These 11-1/2" depth filters are manufactured to Federal Mil Spec 282, UL 586 and UL 900, and are tested and scanned on 0.3µm equipment in accordance with IEST-RP-CC034.1. These filters are made with microglass fiber media and incorporate a particle board frame for stability.

Key benefits:

  • Offers 99.97% efficiency for filtering air particles as small as 0.3µm including mold, viruses, bacteria, pet dander and dust, and also helps eliminate harmful gasses and odors
  • Ideal filter for environments that require HEPA filtration including pharmaceutical, hospital, aerospace, electronic component manufacturing, food processing and more
  • Low resistance filter
  • Standard capacity
  • Made with microglass fiber media
  • Frame is crafted of particle board
  • Box style header
  • Filter can be utilized up to 220° F (104° C)
  • Downstream neoprene gasket ensures a leak-proof seal
  • Proudly Made in the USA

Air Filters
Need to get on top of your filtration systems? Need an upgrade to improve your air quality? The Cary Company offers a wide variety of filters for your HVAC system. Our selection of air filters have a wide variety of sizes to fit your filtration system, with filters having MERV, FPR and MPR ratings. We are here to help you catch contaminants, both small and large, that pollute the air inside your facility. From Mini-Pleat and V-Bank to Disposable and Washable, our specialists will work with you to make sure your filtration needs are met.


This information has been provided as a general guide. It is the customer's responsibility to select the proper container for product and application compatibility. The Cary Company does hereby disclaim any and all warranties, expressed or implied, including any implied warranty of merchantability or fitness for a particular purpose or use. We are not responsible for consequential damages arising from customer's selection and use of containers, container and label dimensions, and/or closures supplied by us.

Additional Information

More Information
MaterialGlass Microfiber
Size24" x 24"
Performance RatingHEPA 99.97%
Dimensions24" x 24" x 11-1/2"
Weight47 lbs.
Country of ManufactureUnited States
Note:Please note this item does not qualify for returns.
Q & A
Customer Questions
What are the exact dimensions of this HEPA air filter?
Thank you for your question. The exact dimensions of this air filter are 24" long x 24" wide x 11-1/2" deep. Thank you for choosing The Cary Company.
Can you ship internationally? Where are you located?
The Cary Company online ordering platform is only set up to ship within the United States. For international shipments, please contact us at 630.629.6600 or Sales@thecarycompany.com, and we will be happy to process your order. Our main warehouse and office are located in Addison, Ill. We also have warehouses in across the United States that you can see here. Thank you for choosing The Cary Company.
What is the resistance rating for this filter?
Thank you for your question. This product is a low resistance filter. For more information, please refer to the Key Benefits section under Specifications. Thank you for choosing The Cary Company.
What are the benefits of air filters?
Air filters remove dust and other contaminants from facilities to ensure safe and healthy environments for employees or customers.
What are common places that use HEPA filters?
High efficiency particulate air (HEPA) filters are used within laboratories, pharmaceutical operations, hospitals, food processing plants, aerospace engineering companies, and more.
What do HEPA filters collect?
HEPA filters provide up to 99.99% efficiency in removing dust, pollen, mold spores, bacteria, pet dander, and more.
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