A catalyst carrier including a ceramic block having two open faces, an outer peripheral surface, and {HEAD ~ multiple cells} divided by a cell wall and extending between {TAIL ~ the open faces} 
extending between
A catalyst carrier including a ceramic block having two open faces , an outer peripheral surface , and { HEAD ~ multiple cells } divided by a cell wall and extending between { TAIL ~ the open faces }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL