The Helios LFBR 200 G4 is a durable inline air filter unit designed for circular ducting in ventilation systems. Featuring a galvanized sheet steel casing, the unit is equipped with spigots on both ends with double lip rubber seals to ensure secure duct connections. The easy-access panel with clamp allows for fast filter replacement. Inside, a synthetic fibre filter mat classified as ISO Coarse 70% (G4) efficiently captures larger airborne particles. It offers a high dust storage capacity of 122 g/m² and is temperature resistant up to +100°C. The fire-resistant, self-extinguishing filter meets DIN 53438 F1 standards and can be regenerated up to 15 times for cost-effective operation.