HEPA Filtration

HEPA filtration can be used as a method of air cleaning that supplements other recommended ventilation measures. HEPA filters are defined as air-cleaning devices that have a demonstrated and documented minimum removal efficiency of 99.97% of particles greater than or equal to 0.3 um in diameter. HEPA filters have shown to be effective in reducing the concentration of Aspergillus spores (which range in size from 1.5 um to 6 um) to below measurable levels (100-02). The ability of HEPA filters to remove tubercle bacilli from the air has not been studied; however M tuberculosis droplet nuclei probably range from 1 um to 5 um in diameter (i.e., approximately the same size as Aspergillus spores). Therefore, HEPA filters can be expected to remove infectious droplet nuclei from contaminated air. HEPA filters can be used to clean air before exhausting outside, recirculated to other areas of a facility, or recirculated within a room.

HEPA Filter Cube

• Minimum efficiency 99.97% on 0.3 microns
• Certified HEPA filter
• Bag-out filter change
• Fool-proof, leak-free filter change
• Unexposed primary filter

What Biological Controls' HEPA systems deliver:

CDC recognizes that HEPA filtration can play an important part in airborne bio hazard controls. Our entire line of products utilize HEPA filters as a primary means of airborne infectious bacteria capture. We provide certification and documentation on all our medical units. Our patented design of breathing zone filtration (BZF) and CIRCUMFLOW airflow pattern provides a system unavailable elsewhere. Our BZF design is based upon the source or control capture concept. CDC says, "Source control techniques can prevent or reduce the spread of infectious droplet nuclei into the general air circulation by entrapping infectious droplet nuclei as they are being emitted by the patient (i.e. the source)." Independent, as well as University testing documentation confirms the efficacy of our particular product design.