Flush-mounted housing ER-UPB

• Housing with maintenance-free fire protection shut-off device to prevent fire transmission (K90-18017).
• Housing with fire protection cover for use in fireproof exhaust air shafts.
• Suitable for wall or ceiling installation in a fireproof exhaust air shaft.
• Permissible air outlet direction with wall installation upwards, to the right or left.
• Metal exhaust socket with airstream-operated metal backflow preventer with soldered strut.