Impeller / fan wheel / blower fan 1.material:galvanized steel 2.diameter:5",height:56/65mm,core size:8/11mm 3.speed:3400rpm Impeller / fan wheel / blower fan sizeCharacteristics:size: 3 inch~18 inchmaterial: steel painting/ aluminum/ galvanized/ stainless steelapplication: centrifugal fans, ovensCompany profile With production and trade integrated, Dongguan Sayu Electronic Equipment Co.,Ltd. ...