Description Overview Hankinson regenerative/desiccant air dryer Model: DH-930 Year: 1999 Heatless regenerative desiccant air dryer Twin tower design Specifications 930 scfm air capacity at 100 psi 60/160 minute/maximum psi 230/1/60 volt coalescer electronic control Pre and after coalescer air filters with 3 valve by-pass 2.5 inches npt/flange air inlet and outlet 72 inches l x 53 inches w x 104 inches h overall dimensions Weight: 2800 pounds