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Aluminum flexible air duct kitchen ventilation HoseFeatuers o aluminum flexible hose:
1.Material: aluminum foil
2.Nonflammable
3.Used for ventilation- aluminium foil air duct for high pressure and low pressure ventilation system, like range hood. It can be fixed directly on the fittings. In case of fire or high temperature, there is no toxic gas.
4. Specifications table
| Spec. | O.D.(mm) | I.D.(mm) | Length(M/PC) | |
| 2" | 54 | 50 | 10 | |
| 2-1/2" | 68 | 64 | 10 | |
| 3" | 80 | 76 | 10 | |
| 4" | 106 | 102 | 10 | |
| 5" | 131 | 127 | 10 | |
| 6" | 156 | 152 | 10 | |
| 7" | 166 | 162 | 10 | |
| 8" | 204 | 200 | 10 | |
| 10" | 258 | 254 | 10 | |
| 12” | 310 | 305 | 10 | |
| 12 1/2“ | 320 | 315 | 10 | |
| 14" | 362 | 356 | 10 | |
| 16" | 412 | 406 | 10 | |
| 18" | 463 | 457 | 10 | |
| 20" | 514 | 508 | 10 | |
| 22" | 565 | 559 | 10 | |
| 24" | 616 | 610 | 10 | |