The A-Series HEPA Filter is engineered for exceptional performance in critical environments where air purity is essential. Built with precision aluminum separators and durable galvanized or stainless-steel frames, these filters deliver high efficiency, uniform airflow, and long service life for cleanroom, HVAC, and process air systems.
Key Features
- Available in 6” and 12” depths for standard and high-capacity applications.
- Efficiency options: 95%, 99.97%, 99.99%, and 99.999%.
- Individually tested and labeled for efficiency, CFM, and serial number traceability.
- Compliant with IEST-RP-CC001 and IEST-RP-CC034 testing standards.
- Maximum operating temperature: 220°F (104°C).
- Handles 100% relative humidity.
- Flammability rated per UL Standard 900.
Construction & Options
- Media: Wet-laid microfiberglass paper.
- Separators: Corrugated aluminum foil ensures even pleat spacing and airflow.
- Frame Options: 18-gauge galvanized steel, extruded aluminum, or 304 stainless steel.
- Configurations: Single Header or Double Turn Flange.
- Gasket: Closed-cell polyurethane (¼" × ¾" × ¼") with Ball-in-Socket joint.
Applications
The A-Series HEPA is designed for critical air filtration in:
- Pharmaceutical and biotech cleanrooms
- Food and beverage production areas
- Microelectronics and semiconductor facilities
- Healthcare and hospital isolation environments
- Laboratories and precision manufacturing
6” Depth – Standard Capacity
Compact, lightweight design ideal for shallow housings and moderate airflow applications. Provides excellent dust-holding capacity and efficiency consistency.
| Nominal Size (H × W × D) | Actual Size (H × W × D) | Rated Flow (CFM) | Approx. Weight (lbs) | Efficiency Options |
|---|---|---|---|---|
| 24 × 12 × 6 | 24 × 12 × 5⅞ | 233 | 16 | 95%, 99.97%, 99.99% |
| 24 × 24 × 6 | 24 × 24 × 5⅞ | 250 | 25 | 95%, 99.97%, 99.99% |
12” Depth – Standard & High Capacity
Designed for high airflow systems and extended filter life. The deep-bed construction supports demanding cleanroom and process air applications.
| Nominal Size (H × W × D) | Actual Size (H × W × D) | Rated Flow (CFM) | Approx. Weight (lbs) | Efficiency Options |
|---|---|---|---|---|
| 24 × 12 × 12 | 24 × 12 × 11½ | 232 | 29 | 95%, 99.97%, 99.99% |
| 24 × 24 × 12 | 24 × 24 × 11½ | 500 | 46 | 95%, 99.97%, 99.99%, 99.999% |
Performance Data (24 × 24 Box Filters)
Initial resistance values are shown for typical face velocities and can vary based on installation and environmental conditions.
| Filter Depth | Efficiency | Initial Resistance @ 100 FPM | Initial Resistance @ 250 FPM | Initial Resistance @ 500 FPM |
|---|---|---|---|---|
| 6” | 95% | 0.35” w.g. | 0.65” w.g. | – |
| 6” | 99.97% | 0.65” w.g. | 1.00” w.g. | – |
| 12” | 95% | 0.50” w.g. | 1.00” w.g. | – |
| 12” | 99.97% | 1.00” w.g. | 1.45” w.g. | – |
| 12” | 99.999% | 1.00” w.g. | 1.45” w.g. | – |
Ordering & Variant Options
Configure your A-Series HEPA filter to match your application requirements.
- Efficiency: 95%, 99.97%, 99.99%, or 99.999%.
- Depth: 6” Standard Capacity or 12” High Capacity.
- Nominal Size: 24×12 or 24×24 (nominal dimensions).
- Frame Material: Galvanized Steel, Aluminum, or Stainless Steel.
- Configuration: Single Header or Double Turn Flange.
All A-Series filters are leak-tested per IEST-RP-CC034 and constructed in accordance with IEST-RP-CC001. Each unit ships with efficiency, tested CFM, and serial number documentation to verify performance.
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Aerostar®
A-Series HEPA Filter
