Hydroponics Air Ducting 1. This ducting's Length of 20ft or 25ft. Size: 4" 6" 8" 10" & 12" Hydroponics Air Ducting1)Length: 20ft or 25ft.2)Size: 4" 6" 8" 10" & 12"3)Temperature range: -30°C , +140°C4)Maxm rate of circulate: 3m/s maxm work5)Pressure: 2500pa6)Bend semidiameter: 0.54xDAir Duct(Double Thickness )(L=25FT) Air Duct(With String) (L=25FT) 18 Hydroponics Air Ducting(With String)
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