Spiraflex Layflat Ducting
Flexible Layflat Ducting, usually used as a mining ventilation ducting, also used for warm/cool air movement, in tents, marquees, above false ceilings and in temporary buildings. Temperature range as PVC1 & 2, lengths up to 20m. Supplied with rings or Velcro ends for joining lengths together. Approved by the National Coal Board.