{HEAD ~ The catalyst carrier} 15, wherein the outermost peripheral cell wall has a thickness in a range of approximately 0.25 mm through {TAIL ~ approximately 0.50 mm} 
{ HEAD ~ The catalyst carrier } 15 , wherein the outermost peripheral cell wall has a thickness in a range of approximately 0.25 mm through { TAIL ~ approximately 0.50 mm }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL