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