A filter reduces airborne particles as air is forced from the inlet to {TAIL ~ the outlet} by {HEAD ~ operation} of the motor and blower 
A filter reduces airborne particles as air is forced from the inlet to { TAIL ~ the outlet } by { HEAD ~ operation } of the motor and blower
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH