Warm note: it's recommended to replace the tip every 3 months, just keep your teeth white and show your big smile. Cleaning teeth efficiently: these tips can clean your teeth more efficiently, which can clean dirt from hard-to-reach areas, saving your time and effort, let's develop a good health habit together. Wide compatibility: these tips are also compatible with Ultra Water Flosser, Kids Water Flosser, The Traveler, Cordless Freedom, Cordless Professional, Cordless Plus, Showerpik, Aquarius Professional, Complete Care and all Designer Series Water Flossers. Replacement models: these replacement tips are compatible with models WP-100, WP-100W, WP-260, WP-300, WP-440, WP-462, WP-560, WP-562, WP-563, WP-565, WP-660, WP-662, WP-112, WP-462, WP-670, WP-672, WP-676, WP-861W, WP862W, WP-900, WP-940, WP-950, WP-952, WF-02, WF-03, DS-600W, VA-EB006. Package content: 4 pieces of classic jet tips, 4 pieces of brush tips and 2 pieces of pocket tips, available in different colors, enough quantity for all the family to use and replacing your old ones, making more more convenient.