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Per W
Louvre Shutters
Features
All weather louvre with vanes that open automatically when airflow commences
Fits independently of fan (ideally wall mounted downstream of fan)
Supplied with screw fixings
Dimensions
Model
A *
B
C
Dø or *
Eø
100
123
12
90
98
4
125
158
15
110
130
4
160
178
20
130
152
4
200
243
21
184
205
5
250
294
26
233
260
5
355
394
26
340
420
5
400
457
26
365
420
5
450
499
31
395
460
5
500
548
31
443
510
5
560
605
31
522
5
630
696
31
626
5
*over flanged size