Commercial Grade AF Filters

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Airsan Type AF Big
For Heating • Cooling • Ventilation

Airsan Type AF filters are a cost-effective, durable solution for a wide range of industrial and commercial medium-duty HVAC applications. These permanent metal filters are widely used in petrochemical facilities, refineries, paper and packaging plants, and as long-life pre-filters in rooftop HVAC systems.

Reliable Performance for Medium-Duty Filtration

Type AF filters are engineered to support efficient operation in heating, cooling, and ventilation systems. Their design offers:

  • Low initial resistance for optimal airflow
  • High dust-holding capacity to extend service intervals
  • Slow rate of static pressure increase, maintaining peak performance over time
  • Permanent, washable construction that reduces replacement frequency and operating costs

These attributes make the AF series ideal for environments requiring consistent, economical filtration performance.

Durable Metal Construction

Each Airsan Type AF filter is built to withstand demanding HVAC conditions.

Standard Construction

  • Multiple layers of crimped, electro-galvanized expanded metal media
  • Heavy-duty 18-gauge galvanized steel frame
  • Available in 1″ and 2″ nominal widths

Custom Options

To accommodate unique system requirements, Airsan can manufacture AF filters in:

  • Aluminum
  • Stainless steel
  • Bronze
  • Custom sizes and configurations

These material options make the AF filter adaptable for corrosive, high-humidity, or specialized industrial environments.

Key Benefits

  • Economical, long-life alternative to disposable filters
  • Built for medium-duty HVAC and industrial applications
  • Durable metal construction for extended service life
  • Washable and reusable to reduce waste and maintenance costs
  • Custom sizes and materials available to meet exact system specifications
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