Pull cords are located within each central space for drawing {HEAD ~ the elongated items} through {TAIL ~ the sleeves} once positioned within a duct 
through
Pull cords are located within each central space for drawing { HEAD ~ the elongated items } through { TAIL ~ the sleeves } once positioned within a duct
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH