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Horizontal and vertical ventilation and smoke extraction ducts
GEOTEC® S30 = EI 60
GEOTEC® S45 = EI 120
Horizontal and vertical ventilation and smoke extraction ducts
GEOTEC® S30 = EI 60
GEOTEC® S45 = EI 120
Horizontal and vertical ventilation and smoke extraction ducts
GEOTEC® S30 = EI 60
GEOTEC® S45 = EI 120
Horizontal and vertical ventilation and smoke extraction ducts
GEOTEC® S30 = EI 60
GEOTEC® S45 = EI 120