The Waterpik Whitening Water Flosser, WF-06W010, delivers precision whitening while you water floss. It restores your natural whiteness in just four weeks by removing hard-to-reach stains that other products miss. It is clinically proven to remove an additional 25% more stains than brushing alone, removes up to 99.9% of plaque from treated areas, is up to 50% more effective for improving gum health versus string floss, and is as gentle as regular toothpaste. Insert one whitening tablet daily into the flip-top handle. The whitening infuser technology expertly mixes water with a gentle stain removal agent that safely restores your natural whiteness, removes plaque and promotes healthier gums. The minty fresh tablets leave your mouth feeling fresh and clean.