Labconco Biological Safety Cabinets 34269 Series - Manual (Page 22)

Chapter 3: Getting Started
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Original instructions
9. Finally, re-install the microscope eyepieces.
10. The Pure-Vu Seal should now provide an optimum seal for safe
airflow and ergonomic visibility.
Outer
Aerodynamic
Collar
Pure-Vu Seal
Mounting
Screws
Figure 3-4