•SEMIAFS-INOX stainless steel semi flexible ducts are flexible and highly reliable for fume and smoke extraction. Mainly used as chimney liners for discharging high temperature gases and smoke. •It is suitable for all kinds of fuel (natural gas, LPG, oil, wood etc.). •Oval and circular connectors are easily installed. •SEMIAFS-INOX is produced from 316 L quality stainless steel strip using the “INTERLOCK” crimp system. “INTERLOCK” crimp systems minimize separation of the duct when it is stretched or bent.