Extension sleeve for wall and ceiling mounting.Article: VH 40, Installation location: Wall / ceiling, Material: Sheet steel, galvanized, Weight: 2.055 kg, Weight with packaging: 2.1 kg, Suitable for nominal width: 400 mm, Width: 426 mm, Height: 426 mm, Depth: 200 mm, Width with packaging: 426 mm, Height with packaging: 426 mm, Depth with packaging: 200 mm, Suitable for box fans: no, Suitable for roof fans: no, Suitable for pipe fans: no, Suitable for heat recovery systems: no, Suitable for wall-mounted fans: no, Suitable for wall-mounted fans: yes, Suitable for residential fans: no, Suitable for centrifugal fans: no, Suitable for circulation fans: no
