The circular grille type GP360 is used for the supply and the exhaust of air in prison cells. The fixation is especially designed to make removal from the inside of the cell impossible.
- Grille with face out of perforated plate 51% free passage. For wall thickness of maximum 150mm.
- The fixing and locking is secured at the back side of the wall by means of a ring that can be fixed to the connection piece with rivets of screws.
1 way throw