Since 1983
Made in the USA

Custom Filters

Sentry Air Systems manufactures custom HEPA filters designed to fit your application and filtration equipment based on size specifications, efficiency, and gasket placement. These HEPA filters are: constructed of flame retardant fiberglass paper, pleated to increase the surface area for lower pressure drop, and optimized filtration efficiently without compromising equipment productivity.

  • Custom Filter Order Process
  • Custom Options for HEPA filter
  • Benefits of Sentry Air Systems Custom HEPA Filters

Custom Filter Order Process

Orders for our custom HEPA filters undergo a simple 5-step procedure. Approximate lead time varies depending on the length of the approval process but generally it takes up to 4-6 weeks for delivery of the initial product. (Orders are typically between 1-2 weeks subsequently after the initial process)

Custom Filters


You will work directly with application specialists to provide filter specifications: size, application, equipment, and efficiency. Our experienced team can help you select the best filter specifications dependent on your needs.

Custom Filters


Your approval of the design and pricing is needed before production is set in motion. You will have the option to make changes and modifications to the design before submitting final approval.

Custom Filters


Sentry Air Systems utilizes the latest technology in filter making to create your custom HEPA filters in house based on the approved design and specifications.

Custom Filters

Quality Control

Our production team visually inspects each custom HEPA filter against high quality standards.

Custom Filters


Complete order is sent to you to complete the custom HEPA filter order. The filters start serving their application’s purpose to provide the customer with excellent filtration and/or fume extraction.

Custom Options for HEPA filter

  1. SIZE
    For custom orders, our capabilities allow filters that range from 1” to 48” in length, 1” to 39” in width, and 1” to 6” in height (2.5 cm to 121 cm in length, 2.5 cm to 99 cm in width, and 2.5 cm to 15 cm in height).


    View More about Air Filter Efficiency

    Depending on the application, our specialists will design the custom HEPA filter to have the appropriate gasket placement. Gasket placements include upstream, downstream, and both.

Benefits of Sentry Air Systems Custom HEPA Filters

Custom HEPA filters offer many benefits over standard or other manufacturers’ air filters. These benefits include:

  • Customized options: size, selection of three efficiency options, and gasket placement
  • Flame retardant filter media and adhesives – vital for heat or friction based applications such as soldering, welding, grinding, and laser cutting
  • 35+ years of experience in air filtration and fume extraction