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The Isokern Double Module DM 36 Range are part of the Isokern Pumice Chimney Systems, featuring a 150mm internal diameter - ideal for smaller output inserts, cookers, stoves, pellet boilers and fires.
Isokern's Double Module System is designed to be lightweight, quick and easy to install and features staggered joints for safety and extra stability, whilst the double layer of pumice blocks feature an air gap to maximise chimney insulation.