Use of HEPA Filters in Biosafety Cabinets

The "Use of HEPA Filters in Biosafety Cabinets" white paper from NuAire examines how HEPA filters play a vital role in maintaining laboratory safety and integrity. High-efficiency particulate air (HEPA) filters are essential in biosafety cabinets (BSCs), capturing hazardous particles and preventing contamination. The paper details how these filters work, explaining particle collection mechanisms such as sieving, impaction, and diffusion.

The document also highlights the importance of adhering to stringent standards like NSF/ANSI 49, ensuring HEPA filters perform optimally in BSCs. These standards protect laboratory personnel, the environment, and research materials. By understanding the efficiency and penetration of HEPA filters, laboratories can ensure a safe and contaminant-free environment.

Additionally, the white paper explores the differences between HEPA and ULPA filters, clarifying why HEPA filters are preferred for biological safety cabinets. HEPA filters are 99.97% efficient at capturing particles as small as 0.3 microns, making them highly effective for biological applications. The paper emphasizes the need for proper maintenance and regular testing of HEPA filters to maintain effectiveness.

This white paper is a valuable resource for laboratory managers, biosafety officers, and technicians who seek to enhance their understanding of air filtration in biosafety cabinets. Download the white paper to learn more about the critical role of HEPA filters and how they contribute to a safe and efficient laboratory environment.