3H
Exhaust grilles for wall / duct mounting
- Up to 3630 l/s
- 3 configurations
- Mounting – Ceilings / sidewall / duct
- Fixed & removable core options
- High free area
- Opposed blade damper option
The 3H has been designed to satisfy all exhaust applications in H & V systems.
The various cores may be selected to satisfy both engineering and architectural requirements. Cores are constructed from aluminium extrusions supported on integral aluminium tubes; mesh cores are perforated aluminium sheet. The frames are constructed from aluminium extrusions which are mitred and welded or cleated.