 2A
Adjustable ventilator, aluminium |
 2B
Adjustable ventilator, plastic |
 3A
Adjustable ventilator, aluminium, with insect screen |
 3B
Adjustable ventilator, aluminium, compound, with insect screen |
 3I
Adjustable ventilator, stainless steel 304, with insect screen |
 G41
Adjustable ventilator, aluminium, extruded |
 G42
Adjustable ventilator, aluminium, build in, with insect screen |
 G43
Adjustable ventilator, aluminium, surface mounted, with insect screen |
