Ventilation grille with rotary louvres ADR 700x500MM 5KG Ventilation grille with rotary louvres ADR 900x450MM 5,7kg Ventilation grille with rotary louvres ADR 900x500MM 6,3KG Ventilation grille with rotary louvres ADR 750x500MM 5,3KG Ventilation grille with rotary louvres ADR 750x800MM 8,8KG Ventilation grille with rotary louvres ADR 1150x300MM 5,1KG Ventilation grille with rotary louvres ADR-K 100x900MM 1,8KG Ventilation grille with rotary louvres ADR 1050x100MM 2,1KG Ventilation grille with rotary louvres ADR-K 100x250MM 0,5KG Ventilation grille with rotary louvres ADR 700x100MM 1,5KG Ventilation grille with rotary louvres ADR 1000x200MM 3,2kg Ventilation grille with rotary louvres ADR 1100x450MM 6,9kg Ventilation grille with swing louvres ADR 750x600MM 6,8KG Ventilation grille with rotary louvres ADR-K 200x350MM 1,2KG Ventilation grille with rotary louvres ADR 850x450MM 5,4kg Ventilation grille with rotary louvres ADR 800x500MM 5,7kg Ventilation grille with rotary louvres ADR 1100x300MM 4,9KG Ventilation grille with rotary louvres ADR 1200x250MM 4,5KG Ventilation grille with rotary louvres ADR-K 200x150MM 0,6KG Ventilation grille with rotary louvres ADR 1000x100MM 2KG Ventilation grille with rotary louvres ADR-K 150x1200MM 3KG Ventilation grille with rotary louvres ADR 800x100MM 1,6kg Ventilation grille with rotary louvres ADR 700x600MM 6,4kg Ventilation grille with swing louvres ADR 1050x450MM 6,6kg Ventilation grille with rotary louvres ADR-K 200x650MM 2,1KG Ventilation grille with rotary louvres ADR 700x400MM 4,1kg Ventilation grille with rotary louvres ADR 1100x100MM 2,2kg Ventilation grille with rotary louvres ADR 750x300MM 3,4kg Ventilation grille with rotary louvres ADR-K 100x750MM 1,5KG Ventilation grille with rotary louvres ADR 700x250MM 2,8kg