twinduct™ Oval Flexible ducting reduces headroom requirements by 25%.FeaturesTwinDuct™ Oval chambered ducting for positive pressure ventilation designed to maximize headroom by 25%.Standard Diameters: 12” - 72” (300mm - 1830mm).Standard section lengths from 25' - 100' (7.5m - 30m).Available with a selection of hooks and accessories for horizontal or vertical installations.MSHA and CSA Flame Resistant TwinDuct™ is available in a number of high visibility colours.Flame Resistant and Anti-Static (FRAS) TwinDuct™ meets international standards including Canada, South Africa and Australia.TwinDuct™ is offered with Zipper, QuickSnap, Grommet as well as ring to ring connections with Multi-Clips.t3 suspensiont2 suspensiont1 suspensionHOOk options