Replace this extension with the longer
extension included with the flush kit.
1.
Pre-thread the
8 mounting
holes on the air
chamber
extensions
using one of
the included
screws and a
5/16" nutdriver.
Use these holes
to mount the
surround panels.
2.
Place the air chamber side in place
and attach with the included screws.
Place the air chamber
3.
top in place and
attach with the
included screws.
Top of Insert
Back
of
Side of
Insert
Insert