Product Name: AC Forwarder / Backwarder Centrifugal Fan Model NO.: 0105# Certification: ISO, CE, CCC Pressure: Low Pressure Flow Direction: Centrifugal Usage: for Experiment, for Air Conditioner, for Manufacture, for Refrigerate Material: Stainless Steel, Aluminium, Plastic, Zink etc. Trademark: CNTonGDA Transport Package: Standard Export Packing Specification: CE Origin: China HS Code: 8414 Product Description Forwarder / Backward Centrifugal Fan With External RotorDiameter Of Centrifugal FanForwarderBackwarderZinc CoatPlasticAluminium Alloy120mm190mm133mm315mm133mm225mm175mm355mm140mm250mm180mm400mm150mm280mm190mm160mm220mm180mm225mm200mm250mmNOTE: Motors with CE Mark and confirm to EN 60335-1 standards.This centrifugal fan for air condition with external rotor motor has high efficiency, energy-saving, low noise. We have both the forward and the back ward curved cetrifugal fan with external rotor motor.Technical specification:Electrical connection: Lead cable of 0.5m or terminal boxInsulation Class B and FWith thermal protector in motorsAmbient temperature: -30~ 60Different speed controls, voltages, frequencies and ambient temperature are available