... upon customer’s requirements.7. OEM spec. is welcome. Axial Fan Blade /Propeller Fan/ Axial Flow Impeller Size:Φ401×115 (unit: mm)Material:GFASDiameter ... , 7025, 8010, 8025, 8032, 9025, 12025, 12038…and so on.Axial Fan Blade:Φ700, Φ600, Φ590, Φ580, Φ556, Φ490, Φ450, Φ440, Φ420 ... , Φ110, Φ100, Φ98, Φ90, Φ80, Φ52… and so on.Centrifugal Blower Wheel:Φ48, Φ66, Φ135, Φ200,Φ240, Φ235, Φ230, Φ300, Φ308 ...