R4E280-AD08-13,IMPELLER MTRZD 280X125MM 230VAC
R4E280-AD12-15,IMPELLER MTRZD 280X125MM 115VAC
R4E280-AJ27-10,MOTORIZED IMPELLER
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R4E310-AA10-10,风扇与鼓风机 AC BACKWARD-CURVED MOTORIZED IMPELLER
R4E310-AA16-09,AC FAN MOTORIZED IMPELLER
R4E310-AC15-09,AC FAN MOTORIZED IMPELLER
