The Waterpik Whitening Water Flosser delivers all of the clinically proven benefits of Waterpik water flossing, plus extra teeth whitening. It restores your natural whiteness in just 4 weeks by removing stains from hard to reach areas between teeth and at the gumline that other products miss. Simply add one Whitening Tablet daily in the flosser 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. Waterpik is clinically proven to be up to 50% more effective for improving gum health vs. String floss and removes up to 99.9% of plaque from treated areas. It’s clinically proven to remove an additional 25% more stains than brushing alone and is as gentle as regular toothpaste. Plaque remover. Manufacturer’s 2 year guarantee. EAN: 0073950260251.