Standard mounting plate suitable for 4" wall. This plate sits at the back of the wall inlet, and achored to the stud behind the plaster wall. It has a circular hole in the middle with rubber o-ring to receive a wall inlet (do not glue this connection). Pipe is connected (glued) to this plate from the other side via a short elbow or a stright joiner.

Suitable for use with ducted vacuum slimline wall inlets.