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SPIRAL DUCT

Product Detail Information

 - This is very thinner and lighter than other products and so it saves not only material cost but also accessories and extra cost.
- Exterior ribs of straight pipe allow higher strength and longer lifetime.
- Connection and attachment are easy and because all parts are made in same factory, they shorten work period.
- Person not professional can install and because there is no limit to length for work, it can be installed with free adjustment.
- Smooth and fine inner side has superiority in efficiency of friction loss and wind leakage.