•VINYLAFS-TRANSPARENT non-insulated industrial PVC flexible air ducts are specifically produced and designed where vacuum systems are needed. •It can also be used for transferring wood shavings and rough particulars and in applications with excessive vibration and/or perpetual motion systems. •It is produced from PVC strips with high tension steel spring wire. •VINYLAFS-TRANSPARENT is airtight. •VINYLAFS-TRANSPARENT is elastic and flexible. It can be easily fitted to circular, oval, or rectangular connectors.