SIP 16\" 10-meter ventilator ducting designed to be used in conjunction with the SIP 05645 The SIP 05646 is a 16\" 10-meter ventilator ducting designed for use with the SIP 16\" Wheel-Mounted Ventilator. It allows simple positioning and durability through a heavy-duty PVC concertina design. Features: Manufactured from heavy-duty PVC Multiple ducting sections can be joined together 10m ducting for 05645 SIP 16\" Portable Ventilator Concertina design for easy movement and storage Specification: Suitable For: 05645 Ducting Length: 10m (32.8ft) Ducting Diameter: Ø 16\" (400mm)