New in Sealed Box Waterpik Water Flosser Cordless Advanced • Delivering a superior flossing performance through the essential combination of high water volume, pulsations and optimal pressure • Clinically proven to be more effective than air flossing, interdental brushing or string flossing for removing plaque and improving gum health; removes up to 99.9% of plaque from treated areas • 200+ ml reservoir provides up to 45 seconds of constant powerful water jets, for a superior oral flossing experience. Travel bag and travel water plug included to prevent leakage during transport. Perfect for travel and small bathrooms • Easy to use - simply fill the reservoir, point the tip at your gumline, lean over the sink and floss; features 3 pressure settings, 4 accessory tips