Here is a precise product description:
The Philips Sonicare AirFloss Ultra HX8438/01 with two nozzles provides a deeply clean mouth feel. With its high-performance nozzle and clinically proven micro-droplet technology, it provides gentle and effective cleaning of the interdental spaces and gum line. The entire mouth can be cleaned in just 60 seconds. The powerful jet of the AirFloss Ultra can be individually adjusted with up to three sprays. The mouthpiece reservoir can be filled with water or mouthwash for antimicrobial care.