{TAIL ~ An adsorber} in accordance 1 wherein at least one of the inlet face and the outlet face of {HEAD ~ the honeycomb structure} is convexly shaped 
{ TAIL ~ An adsorber } in accordance 1 wherein at least one of the inlet face and the outlet face of { HEAD ~ the honeycomb structure } is convexly shaped
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH