The end of the tube connection piece 13 inserted into {TAIL ~ the socket} 11 is provided with a sealing ring 14, and the opposite end is fixed to {HEAD ~ a suction hose} 15, for example by bonding 
The end of the tube connection piece 13 inserted into { TAIL ~ the socket } 11 is provided with a sealing ring 14 , and the opposite end is fixed to { HEAD ~ a suction hose } 15 , for example by bonding
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH OTH OTH