•PEAFS non-insulated PE flexible air ducts are specifically produced for low and medium pressure heating, cooling, ventilation, air conditioning, exhaust and dust extraction systems. •PEAFS is highly resilient and can be used in applications with excessive vibration and/or perpetual motion systems. •PE flexible air ducts are airtight. •PEAFS is manufactured from hardwearing PE strip reinforced with high tension steel spring wire. •PEAFS is highly elastic and flexible. It can be easily fitted to circular, oval or rectangular connectors.