An airflow propulsion device is coupled between {HEAD ~ the intake opening} and the conduit to draw the flow of air and particulates through the intake opening and toward {TAIL ~ the filter housing} 
An airflow propulsion device is coupled between { HEAD ~ the intake opening } and the conduit to draw the flow of air and particulates through the intake opening and toward { TAIL ~ the filter housing }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL