Each channel section can be curved in a large radius arc to provide {HEAD ~ a turn} to {TAIL ~ the elbow}, which may extend around a quarter circle to provide a 90° turn to the dryer exhaust vent conduit 
to
Each channel section can be curved in a large radius arc to provide { HEAD ~ a turn } to { TAIL ~ the elbow } , which may extend around a quarter circle to provide a 90 ° turn to the dryer exhaust vent conduit
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH