Chapter 4
Maintenance and Technical Manual
Interceptor Biological Safety Cabinet Class II A2
October 2019
4.4
Room Air
HEPA
Filtered Air
HEPA
Filtered Air
Contaminated
Air
Figure 4.7 Interceptor Biological Safety Cabinet Air Flow Patterns
Interceptor Class II, A2 Air Flow Patterns
It is recommended that the cabinet fan be turned on and allowed to operate for
several minutes removing any suspended particulates. Cabinet interior should then
be wiped down with 70% ethanol (EtOH), or other approved disinfectant.