Labconco Protector Controlled Atmosphere Glove Box - Manual (Page 18)

Chapter 3: Getting Started
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Figure 3-1
Pressure Relief Bubbler Set-up
Bottom of bubbler
Liquid level sight
gauge. Fill oil to
6" (152 mm) from
bottom.
Consult with Safety
Officer for exhausting
3/4" OD to the outside.
Fill with 0.87 specific
gravity oil using a 3/4"
I.D. hose and funnel.