| After-sales Service: | on Line Service |
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| Warranty: | One Year |
| ventilation mode: | natural ventilation |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier
Semi Rigid Flexible Duct
1.Aluminum Semi Rigid Flexible Duct, extendable and highly reliable for low and medium pressure air conditioning , ventilation, boiler systems and chimney liners.
2.Semi Rigid Flexible Duct is elastic, flexible and stretchable.
3.Oval and circular connectors are easily installed.
| Properties | SEMI |
| Fire Resistance | Non-combustible |
| Construction | 1 ply aluminium |
| Nominal Thickness | 90 micron |
| Available Diameters | φ80mm-φ800m |
| Temperature Range | -25ºC /+250ºC |
| Air Velocity | 25m/s(max) |
| Operating Pressure | 2000Pa(max) |
| Standard Length | 1.5m/ 3.0m/ 6.0m |
| Compression Ratio | 1/3 |
Suppliers with verified business licenses
Audited Supplier 
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