Pre Insulated Double Walled Spiral Ducting finds application in fume and dust extraction, pneumatic conveying and can be easily installed. The Spiral Ducting is equipped with double wall fire protection and has no fibres in the air stream. The Spiral Ducting comes with adequate protection from external damages. Pre Insulated Double Walled Spiral Ducting has lower friction loss and requires no sheet metal screws in the air stream.
