Louver control flaps for automatic operation. Combination with additional actuator MS 8 or MS 8 P required (actuator not included in delivery). Not for use in potentially explosive areas. Article: JRE 25, Air direction: Ventilation, Installation location: Pipe, Installation position: vertical / horizontal, Material: Sheet steel, galvanized, Weight: 3.57 kg, Weight with packaging: 3.73 kg, Flap type: electric, Suitable for nominal width: 250 mm, Width: 310 mm, Height: 320 mm, Depth: 165 mm, Width with packaging: 370 mm, Height with packaging: 340 mm, Depth with packaging: 180 mm