A truncated conical lower end portion of the inlet pipe unit is located within the large diameter upper section of the infusing casing and ranges from 1.0 mm to {HEAD ~ 1.7 mm} in {TAIL ~ inner diameter} 
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A truncated conical lower end portion of the inlet pipe unit is located within the large diameter upper section of the infusing casing and ranges from 1.0 mm to { HEAD ~ 1.7 mm } in { TAIL ~ inner diameter }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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