Extension sleeve for wall and ceiling mounting.Article: VH 31, Installation location: Wall / ceiling, Material: Sheet steel, galvanized, Weight: 1.6 kg, Weight with packaging: 1.645 kg, Suitable for nominal width: 315 mm, Width: 342 mm, Height: 342 mm, Depth: 200 mm, Width with packaging: 342 mm, Height with packaging: 342 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
