- These genuine Waterpik Classic Jet Replacement Tips are for general use. Clinically proven more effective than string floss for improving gum health, the Classic Jet Tip cleans deep between teeth and below the gumline. - Standard Waterpik Water Flosser tip for general use cleans deep between teeth and below the gum line. - Clinically proven to be twice as effective as string floss for improving gum health. - Replace every 6 months. - 2 color coded Water Flosser replacement tips per package (color of tips may vary) - Recommended for use with most Waterpik Water Flossers including: Aquarius, Complete Care (all models), Cordless Advanced, Cordless Freedom, Cordless Plus, Cordless Professional, Traveler, Ultra, Water Flosser for Kids, and all Designer Series Water Flossers. **For further product information , please contact Chat support**