INSAMETAL's exterior ventilation grille has been meticulously designed to draw in fresh air from outside and expel stale air, thus providing a healthy and comfortable indoor environment.
In addition, its design also effectively prevents the entry of rainwater.
Characteristics
• Made of steel. Composed of a 40x20x1.5 tube and a 40x3 mm plate frame, along with a grille.
• Optional assembly of G3 filter and mesh.