Tecflex VF is manufactured from a high grade PVC material which is bonded to form a tough yet flexible puncture resistant hose. The PVC film is supported by an encapsulated high tensile steel wire helix on a close pitch. The encapsulation of the wire helix between the inner and outer hose wall results in an exceptionally smooth inner wall. The outcome is a robust yet highly flexible ducting with smooth internal bore which is light in weight and easy to handle. This construction also makes Tecflex VF the ideal choice for use in confined areas where installation may be difficult.