10 \ USER OPERATION MANUAL:
Cole-Parmer Basic Ductless Fume Hood Series
Filter Installation
3. Pre-filter tray now inserts into four slots on the
sides of the cutout. Two tabs are bent at 90° to
allow it to hinge down into the workzone. Once
installed, lay the pre-filter on top of the tray.
4. Main filter now requires a painted metal "hat"
frame to be placed on top of the filter(s) before
lowering the clamping bar to secure them in
place.
5. Remove the filter access door using the barrel
key provided.