Further information for Helios Ventilatoren LF 200 (743)
For covering duct openings on walls and ceilings. Frame and attached grille made of plastic. Filter mat made of regenerable synthetic fiber, class G 2, thermally bonded, fire behavior according to DIN 53438: F1. Separation efficiency 67%, dust storage: 380g/m². Filter mat can be cleaned and replaced if necessary.