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coating semi-rigid tube, extension duct, aluminum duct
Coating Semi-rigid Extension Aluminum Tube
  • Contents&Features:
    • Ideal for straight and indirect venting installations for clothes dryers, range hoods, bathrooms and other general venting applications.
    • To gain maximum length, use both hands to work in sections from the centre-out to either end .Temperature rating -20℃ to +110℃.
    • Customizable in size and color

Product  installation video

Using Occassions

These products have both industrial and residential functions. Firstly, they can be used in factory workshop, warehouse, greenhouse and architecture construction to emit smoke and heat. Secondly, it can be used in kitchens, bathrooms and washrooms of highly intensive  residance to refresh the air. 


1,Easy truncation: it's easy to cut to wanted size to fit in your project, which improves the efficiency of contruction and reduces unnecessary waste of material. 
2,Multi-directional Bendability:Because of the characteristics of unnatural contraction after bending, it can be used as the flexible elbow in different circumstance. 
3,Retractility:Since the magnification ration is 1: 4, more space and delivering costs are saved 
4,Durability:  it can revert to a previous state in spite of too many extensions. 
5,Leakproofness: After a series of strict  anti-leakage testings, it's ensured that anyair and lampback would not leak outside. 
6,Sturdy Seaming, After a 72-hour and 15 kg tension test, the seaming remains the same owing to the double stacked seaming. 
7,Multicolor paint coating:Customized coating is available to coordinate the designs 
8,Multicolor flocking machinery coating:It can helps to decrease the loss of heat during which vent delivers hot winds. Aslo scald is partly avoided. 
9,Multiple Number of Band:4,6,8 bands available 


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