HEPA Filter 24x24x12 (11.5) HC 99.97% D Series

99.97% HEPA Filter – 24x24x12 (11.5" Actual) – High-Capacity Commercial HEPA

This commercial-grade 24x24x12 HEPA filter (actual size 24" x 24" x 11.5", DAMN Filters Part Number BHH11AWN1D) is designed for applications requiring true 99.97% particulate removal at 0.3 microns. It is commonly used in hospitals, laboratories, cleanrooms, industrial facilities, and commercial HVAC systems where high-capacity HEPA performance is required.

These HEPA filters are engineered for professional systems, not standard residential furnaces. Regular replacement helps maintain airflow, protects equipment from excessive pressure drop, and maximizes capture of fine particulates and airborne contaminants.

This 24x24x12 HEPA element is often used as a replacement option for commercial air handlers, HEPA housings, portable air scrubbers, negative air machines, and other high-efficiency filtration units where reliable performance and cost-effective alternatives to OEM filters are needed.

• OEM Make: DAMN Series
• Part Number: BHH11AWN1D
• Filter Type: High-Capacity 99.97% HEPA
• Nominal Size: 24" x 24" x 12"
• Exact Size: 24" x 24" x 11.5"
• Efficiency: 99.97% at 0.3 microns
• Airflow Rating: 2000 CFM (high capacity)
• Gasket Location: Air exit side
• Filter Media: Microglass HEPA media
• Frame: Metal or high-strength composite (depending on build spec)

Recommended Applications

• Hospitals and healthcare facilities
• Cleanrooms and controlled environments
• Pharmaceutical and biotech production
• Laboratories and research facilities
• Food and beverage processing areas
• Commercial HVAC systems requiring HEPA-level filtration
• Industrial dust collection and purification equipment

Why Choose DAMN Filters for HEPA Replacements?

• OEM-quality HEPA performance without OEM pricing
• Direct replacement options for multiple major OEM part numbers
• Fast lead times on common 24x24x12 HEPA sizes
• Accurate fit, consistent performance, and dependable airflow

Fits Most Commercial HEPA Housings

This 24x24x12 HEPA filter is designed to fit most standard HEPA frames and housings used in commercial HVAC units, air scrubbers, negative air machines, and cleanroom filtration systems that accept a 24" x 24" x 11.5" high-capacity filter.

Performance Notes

Actual airflow capacity and pressure drop will vary based on the system, housing design, and operating conditions. For best performance, replace filters at the recommended changeout pressure or sooner in high-dust or continuous-duty environments.

If you are comparing prices on 24x24x12 HEPA filters and need an affordable commercial option without sacrificing performance, this DAMN Series element provides reliable 99.97% efficiency and matches many higher-cost OEM equivalents.

DAMN Filters offers a full line of HEPA filters.

HEPA Data Sheet

If you don't see the HEPA filter you are looking for or need help give us a call at (844) 605-3266 or contact us.

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