lenght: 140 mm

Brenta 2 562 mm: 4 pieces honeycomb louvre
Brenta 2 842 mm: 6 pieces honeycomb louvre
Brenta 2 1122 mm: 8 pieces honeycomb louvre
Brenta 2 1682 mm: 12 pieces honeycomb louvre
Brenta 2 2242 mm: 16 pieces honeycomb louvre
Brenta 2 2802 mm: 20 pieces honeycomb louvre