12" 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

About MERV ratings

Minimum Efficiency Reporting Values (MERV) indicate a filter's ability or efficiency in capturing larger airborne particles and contaminants between 0.3 and 10 microns (µm). Developed by the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE), MERV ratings provide a scale for ranking filters using this criterion. MERV rankings range from 1 to 20. The higher the MERV rating, the more effective the filter is at trapping small particles. Any filter rated above MERV 6 must be tested to assure its efficiency. High efficiency particulate air (HEPA) filters are generally rated MERV 17 to 20 and demonstrate at least 99.97% efficiency in trapping 0.3 µm particles. Find out more about MERV ratings here.


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
Material Glass Microfiber
Size 12" x 24"
Performance Rating HEPA 99.97%
Dimensions 12" x 24" x 11-1/2"
Weight 24 lbs.
Country of Manufacture United States
Q & A
Customer Questions
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.
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