152mm (6") core drill ventilator 250mm x 250mm metal grilles. The multiple use of this ventilator to provide ventilation from an outside wall is recommended as it negates the use of large grilles which can pose a security risk. 161cm free area.
Stadium BM436 152mm Core Drill Ventilator Features
250 x 250mm metal grilles
Brown aluminium external grille and white aluminium internal grille
152mm (6") diameter
Standard tube length 610mm (24")
The multiple use of this ventilator to provide ventilation from an outside wall is recommended as it negates the use of large grilles which can pose a security risk
