FLS Blower Feature: Motor reached Urope EFF2 Class,Durable High temperature resistant 180 CE Marking Insulation,IP55,Class H FLS side ... ,impulse winding test ,frequency withstand voltage test etc.for Motor . Pressure,airflow,noise test for blower . 7. CE marking . 2. Product ... .15Y Max airflow( m³/h) : 103 Rated inlet pressure (mbar) : -250 Rated outlet pressure(mbar):250 Noise (dB(A): 61 Net weight ...