Envirco NSF Biohazard Cabinet Manuel d'utilisateur télécharger pdf (Page 6)

Class II, Type A/B3 Cabinets:

1. Meets the requirements of Class II, Type A cabinets when the HEPA filtered

exhaust air is recirculated back to the laboratory.

2. Meets the requirements of Class II, Type B3 cabinets when the exhaust air is

vented to the outside atmosphere after HEPA filtration.

3. Confirms to the requirements for either the Type A or Type B3 cabinet outlined

above.

III. DESCRIPTION

The ENVIRCO Biohazard Cabinet is a Class II, Type A/B3 unit with HEPA filtered

air recirculation, front air barrier and self-contained exhaust. It provides a work area

for safe handling of low to moderate risk biohazard materials. It is designed

primarily for work in microbiology, virology, tissue culture, and sterility testing.

The Biohazard Cabinet

The cabinet protects the worker from airborne contaminants generated within the

work area. It protects the work from airborne contaminants generated in the

ambient air and protects against cross-contamination within the work area. The

cabinet is designed to comply with NSF

Standard 49, Class II, Type A and/or B3

Biohazard Cabinetry and bears NSF seal of compliance.

NOTE: The Type A cabinet is suitable for work with low to moderate risk agents.

The Type B3 cabinet is suitable for use with chemical carcinogens and

low toxicity fumes or vapors.

NSF International, Ann Arbor, Michigan 48105

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Envirco NSF Biohazard Cabinet Manuel d'utilisateur Page 6