The difference is that, in this embodiment, small sections of sintered filtering rod 306 are welded between {TAIL ~ multiple sections} of {HEAD ~ stainless steel pipe materials} 301, 302, 303, 304, and 305 
The difference is that , in this embodiment , small sections of sintered filtering rod 306 are welded between { TAIL ~ multiple sections } of { HEAD ~ stainless steel pipe materials } 301 , 302 , 303 , 304 , and 305
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 OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH