MetroCoil singlewall ducting is an accessory product to Naylors full MetroDuct ducting system. In universally recognized colours for safety and ease of work, MetroCoil ducting comes with a coupling for even easier installation. Kitemarked to BS4962 and complying to TRANSCO specification, the entire Naylor MetroDuct system is manufactured to the standard required by the Highways Agency. Combine this singlewall ducting with Naylor access chambers & and covers and frames for a complete ducting system. Manufactured in England and Scotland, Naylors local production offers great lead times and guaranteed quality. Naylor MetroCoil Ducting Specification Dimensions: 105mm x 40m Colour: Black