About this itemOral-B Precision Jet Nozzles help you create a custom clean with 2 stream styles when used with your Oral-B Water Flosser Advanced Portable Handle (not included). Choose from a Precision mode for a higher intensity cleaning, or a Multi-Jet mode for all-around cleaning. Both streams clean deep between teeth and help eliminate plaque bacteria for healthier gums. *Helps reduce plaque bacteria and inflammatory components associated with gingivitis, when used as an adjunct to brushing, flossing and regular professional care. Features