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