Marine Ventilation Grill/Fence is used in air outlet of ventilating system for all kinds of vessels.
For marine purpose, we have standard of CB/T 462-1996 for the ventilation grill.
In the standard CB/T 462-1996, there are 6 kinds of ventilation grill, covering round and rectangular shape, fixed and closeable type, and materials of aluminum and steel, nominal sizes range from 100 to 400.
If you need any ventilation grill/fence, pls do not hesitate to contact us for details or further communications.