Rain-protection fins

Diameters from 125 to 315 mm:
Rain-protection fins, spaced 20 mm apart
Aluminium construction
Anodised aluminium finish, natural satin tint
Invisible screw attachment in inner collar

Diameters from 400 to 630 mm:
Rain-protection fins, spaced 50 mm apart
Aluminium construction
Rough aluminium finish
Visible screw attachment in frame
Inner part features a 12 x 12 mm bird protection mesh made of Ø 1.2mm galvanised steel wire