Mineduct™ spiral ducting for positive and negative pressure installationsFeaturesMineDuct™ is suitable for positive and negative pressure installations.Standard Diameters: 12” to 72” (300mm to 1830mm).Standard section lengths from 15' - 25' (5m to 7.5m).Available with a selection of hooks and accessories for horizontal or vertical installations.MSHA and CSA Flame Resistant MineDuct™ is available in a number of high visibility colours.Flame Resistant and Anti-Static (FRAS) MineDuct™ meets international standards including Canada, South Africa and Australia.MineDuct™ is offered with Zipper, QuickSnap, Grommet as well as ring to ring connections with Multi-Clips.MINEDUCT ™HOOK OPTIONS