4==>CIRCULATION FAN,TYPE:MULTI BLADE FAN,2DBOAK/29-21,AIR QUANTITY:160M3/MIN,EXTERNAL STATIC/ PRESSURE:0.686kpa,V-BELT DRIVENX1965RPM (PCS)

5==>MOTOR FOR CIRCULATION FAN,TYPE:TOTALLY/ENCLOSED FAN COOLED TYPE,4 POLE,1730RPM/5.5Kw.X10Amp.XB CLASS INSULATION/MANUFACTURER:HITACHI,LTD (PCS)