For installation in the pipework of ventilation systems. Connections with double-lip seals, suitable for standard pipe diameters. Housing made of galvanized sheet steel. Removable cover for filter removal with snap fasteners. Filter mat made of regenerable synthetic fiber, class G 4. Temperature resistant up to +100 °C. Fire behavior according to DIN 53438 F1, self-extinguishing. Separation efficiency approx. 93.8%, dust storage 122 g/m². Can be installed in any position.