Delco fans provides centrifugal blowers/light duty cross flow fan using shaded pole motors - a new product line particularly well-suited to small systems, where concentrated air flow, space and noise levels are serious consideration. They range in performance from 40 to 600 dm at zero static pressure. This new centrifugal blower offers all the features of the most sophisticated fan technology. This lightweight fan has shaded pole monitor of 2,800 rpm. Special features are equipped with precision ball bearings on request, plastic or metallic outer casing, impeller aluminum or 55 low power consumption, and long power expectancy. Air performance can be matched with cooling needs within wide limits. High mechanical stability can be get by this lightweight unit.