Simple deflection grilles - T1P SR 600 x 100 mm F 250

Gravity grille for wall installation made by anodized aluminium. For air extraction because of overpressure. The blades in the length they have rubber seals for noise reduction when the grille is closing. If the damper has three or more blades then they are bridged for smoother operation. The blades are parallel to the first mentioned dimension.