Delco supplies new centrifugal blowers using shaded pole motors.The small systems where concentrated air flow, space and noise levels are serious considerations,this type of system are well suited.They range in performance from 40 to 600 cfm at zero static pressure, and are driven by quality lightweight shaded pole motor of 2,800 rpm. Blowers may be equipped with precision ball bearings on request. Plastic or metallic outer casings have impellers of aluminium or ss. Air performance can be matched with cooling needs.