Construction:

Frame and blades: High quality extruded aluminium profiles.
Damper: Hit and miss damper
Slot Width: 20 mm as standard. 16 mm and 25 mm available as option
Number of slots: 1,2,3,4,5,6,7,8
Length: Upto 5.8 m in single piece
Optional Accessories: Plenum box either unlined, internally insulated or externally insulated