An ultraviolet light can be inserted within the cartridge to disinfect {HEAD ~ a fluid passageway} of {TAIL ~ the cartridge} 
of
An ultraviolet light can be inserted within the cartridge to disinfect { HEAD ~ a fluid passageway } of { TAIL ~ the cartridge }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL