Assembly etc.
Mounted on wall shown below.
Spread patterns
Standard spread patterns below..

 

A: Semi circular pattern.
Polman´s supply air diffuser type P-03a unit through wall, visible wall mounting. The unit can not be recessed and maintain the same performance. Place the unit on the wall in the room it serves. The unit box is screwed directly on the wall, and the front of the unit is screwed to the box.
B: Long and thin pattern.
C: Short and wide pattern.