With the Philips Sonicare AirFloss Ultra HX8438/01, you can clean your teeth with water or your favorite mouthwash. Thanks to the combination of air and liquid, you can clean your teeth in 60 seconds. This saves you time in the bathroom in the morning. How many rays the flossing device emits depends on your wishes. With the push of a button, you can easily switch between 3 different modes. With the Airfloss Ultra, you can remove bacteria and massage your gums. This way, you can improve the health of your mouth in 2 weeks. You'll get 2 nozzles with this flossing device. That is enough to floss for one year, without having to buy new nozzles.