Inquiry (采购产品): Blower efficiency Can you give me an idea of the efficiency loss and increase in energy needed in percent for a blower that has the blades coated with a build-up of grease and grime? **** Hidden Message ***** Ron Dewhirst 60450 Company: AkzoNobel Surface Chemistry LLC E-mail: ron.dewhirst@akzonobel.com **** Hidden Message ***** ron.dewhirst@akzonobel.com