This 20" x 20" air filter features multiple layers of 304 stainless steel expanded media. Washable and reuseable, this 1" depth heavy duty metal HVAC filter, made of expanded 304 stainless steel, is ideal for such environments as heavy duty industrial, commercial, school and office building applications that specify a heavy weight permanent filter. This heavy duty filter is designed to withstand the toughest conditions in both air and grease applications. Mitered and secured in one corner by stainless steel rivets, this filter is enclosed in a sturdy 304 stainless steel frame.

Key benefits:

  • Maximum temperature range is 900° F (482° C)
  • 1" depth
  • Low resistance filter allows air to pass through more easily thereby improving system operation and efficiency
  • Filters can retain 300 g of dust or 240 g of grease per 400 sq. in. of filter media when clean (0.075" w.g. at 350 F.P.M. air velocity)
  • Filtering element: 304 stainless steel sheet metal expanded to 0.055" strand
  • Frame: made from (no less than) 0.024" thickness 304 stainless steel
  • 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.


Stainless steel 304 (SS304) has excellent corrosion resistance and weldability. SS304 has an oxidation resistance of 1600°F for intermittent service and 1690°F for continuous service. We have a collection of stainless steel 304 drums, power drill mixers, and filter vessels. Stainless steel 304 products, such as pans and cooking tools are common household products that people use on a daily basis.


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
MaterialStainless Steel (304)
Size20" x 20"
Case Pack6 ea.
Case Weight39 lbs.
Case Dimensions20" L x 20" W x 6" H
Dimensions19-1/2" x 19-1/2" x 7/8" (actual dimensions)
Weight6.5 lbs.
Country of ManufactureUnited 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.
What is the purpose of Washable Air Filters?
Our Washable Air Filters are designed to fit inside of your HVAC system to improve its performance and system life. Additionally, with its ability to be washed and reused, it can save time and money.
What are Washable Air Filters made of?
We have Washable Air Filters made of Foam/Aluminum, Aluminum, Steel and Stainless Steel.
How do I wash a Washable Air Filter?
Our Washable Air Filters can be washed using a spray hose or cleaning solutions.
Why do Washable Air Filters have different weights?
We offer three types of filters with various weights (Light, Medium and Heavy) for a couple of different reasons. One main reason is that different facilities across industries require more air filtration. This determines different filter layouts and designs (layers of material, how rows are lined up, etc.)
What facilities use Washable Air Filters the most?
Washable Air Filters are a popular choice for hospitals, schools, offices and other industrial facilities that rely on air filtration.
How are your Washable Air Filters secured?
Our Washable Air Filters are secured to the frame by using rivets in one corner of the filter.
Can your Washable Air Filters support different temperatures?
Yes! Our Washable Air Filters are able to support different temperatures, depending on the weight.
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