Security ventilation grille for supply, air transfer or extract applications. Stainless Steel type complies with Home Office Recommendations for Anti-Ligature applications. Stainless Steel option to have 2.omm holes on 4.omm centres. Mild Steel application to have 3.omm holes on 6.omm centres.
Constructed from 3.omm thick Mild Steel or 2.omm thick Stainless Steel sheet with 5omm borders.