... : Electric blower4. Motor Class: EFF 25. Certificate:CE Marking6. Usage: blow, Hoover, exhaust, cool, transport7. Structure:three phase & double stageModel name ... IP55 and insulation F, high temperature resistant to180°2. Motor reached Europe EFF2 standard, save more electricity, and more ... sizes, long term and quietly smooth operation. BHB series operating principle The gas is taken in through the ...