Instructions to Install Intake and Exhaust Rings on HEPA Air Cleaner
The ring is installed with the ring flange on the inside
of the cabinet with only the ring portion on the outside
of the cabinet.
Remove the tape securing the ring to the enclosure.
Save the bag of screws attached to the intake ring.
Compress the ring until you can insert the ring flange
into the opening in the enclosure.
Enlarge the ring to its maximum and install two
screws into the ring to hold it to the proper diameter.
Turn the ring in the hole until the holes in the enclo-
sure line up to the holes on the ring. Secure with the
screws provided.