FIRELOCK MONO Single flap device Single flap device FIRELOCK DUO Double flap device Double flap device FIRELOCK ARCH Single-leaf arched flap Single-leaf arched flap FIRELOCK LOUVRE Universal louvre ventilator Universal louvre ventilator SAFEVENT LIGHT Functional base for weather-independent daytime ventilation Functional base for weather-independent daytime ventilation SAFEVENT HEAVY Functional base for weather-independent daytime ventilation Functional base for weather-independent daytime ventilation FIRELOCK EXPLODER Overpressure flap for pressure relief in case of explosion Overpressure flap for pressure relief in case of explosion
