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