8inch hydroponic Aluminum Duct for fan

Specification:

1.Dimension:40-750mm(1.5-30")

2.Single Duct: One Layer of Alum Foil + One Layer of PET

3.Teperature range:0°C-140°C

4.Velocity Of Air Flow (MAX.):30m/s

5.Working Pressure:2500Pa

6.Standard Length:10m(As customer's requirement)