Inner Sleeve for 150mm ID Round Pipe Duct 1M

WALL LINER outer diameter is 152mm and is used as wall liner to connect your duct run with Kair System 150. INNER DUCTING SLEEVE is not compatible with Kair System 150 fittings and will not connect DUCVKC365 or DUCVKC363 connectors or fittings. CORE DRILL BIT SIZE if you use 154mm Core Drill bit, you can use standard Kair System 150 Round Pipe Part no: DUCVKC670. However if you have 152mm hole standard Kair pipe will not fit through the hole as it's outer diameter is 154mm PLEASE SEE DIMENSIONS BEFORE YOU PLACE AN ORDER