All Logic+ Type B2 biosafety
cabinets meet the airflow
requirements of ANSI/NSF Standard
49. All of the air in the cabinet is
filtered and none is recirculated. All
Type B2 Logic+ biosafety cabinets
feature intrinsically safe designs,
with all contaminated areas under
negative pressure.
All Logic+ Type C1 biosafety
cabinets meet the airflow
requirements of ANSI/NSF Standard
49. Approximately 55-60% of the air
in the cabinet is filtered and
recirculated, while 40-45% is filtered
and exhausted back to the lab. All
Type C1 Logic+ biosafety cabinets
feature intrinsically safe designs,
jacketing contaminated positive
pressure areas with negative
pressure zones.