In one embodiment, {HEAD ~ the chambers} are formed within the head and is closed by {TAIL ~ a flexible cover} so that a cleaning fluid can be introduced into the chamber to clean the exterior surfaces and then disinfectants can be sprayed on the exterior surfaces and pass through internal conduits of the hoses and instruments 
In one embodiment , { HEAD ~ the chambers } are formed within the head and is closed by { TAIL ~ a flexible cover } so that a cleaning fluid can be introduced into the chamber to clean the exterior surfaces and then disinfectants can be sprayed on the exterior surfaces and pass through internal conduits of the hoses and instruments
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH OTH OTH OTH OTH OTH