THE HYDROGEN SCRUBBER,BUBBLER,FLASH ARRESTER IS INLINE FROM THE HYDROGEN CELL TO THE INTAKE.AS THE HYDROGEN GAS PASSES THROUGH THE HYDROGEN SCRUBBER,BUBBLER ,FLASH ARRESTER IT SCRUBS MORE IMPURITYS FROM THE HYDROGEN WHICH MAKES THE HYDROGEN GAS CLEANER AND MORE VOLITAL.
THE HYDROGEN SCRUBBER,BUBBLER,FLASH ARRESTER ALSO IS A SAFETY DEVICE.IF THE VEHICAL SHOULD BACK FIRE IT PREVENTS THE FLASH BACK FROM GETTING BACK TO THE HYDROGEN CELL AND EXPLODING.