Biosafety cabinet parts

Utilize these Thermo Scientific™ Accessories for Series 1300 Class II, Type A2 Biological Safety Cabinets to increase the flexibility of said cabinets.
Accessories include:

Class II A2 biosafety cabinets are the leading seller of all biosafety cabinets combined.
They have the same airflow properties as the A1 class but uses a negative pressure system.
Class II B1 biosafety cabinets exhaust 60% of air and recirculate 40%.
Class II B2 biosafety cabinets exhaust 100% to the laboratories exhaust ducts.