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Ventilation Grille aluminum construction Laminated fiberglass insect mesh, Through Mesh Size: 1.4 mm Resistance to temperature: -25 to 120 °C fire resistance: grade M2 (Standard UNE 23727) Aeration surface: 50 cm2 holes for installation with screws, Manufacturer: Brinox
Ventilation Grille aluminum construction Laminated fiberglass insect mesh, Through Mesh Size: 1.4 mm Resistance to temperature: -25 to 120 °C fire resistance: grade M2 (Standard UNE 23727) Aeration surface: 50 cm2 holes for installation with screws, Manufacturer: Brinox