1.made of Aluminium foil+PET+helix steel wire.
2.Apply for low /medium / high pressure, use for air ventilation in each envi
1.made of Aluminium foil+PET+helix steel wire.
2.Apply for low /medium / high pressure, use for air ventilation in each environment .
3.Round style, and easy to install oval or round connection .
4.Fireproofing,at high temperatures or in case of fire ,no toxic gas emitted .
5.Easy to delivery .
6.Our price is lowest , the quality is perfect , and the delivery will be prompt .
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