Work with models: WF-02EC, WP-100EC, WP-112EC, WP-462EC, WP-250EC, WP-108EC, WP-450EC, WP-861EC, WP-560EC, WP-562EC, WP-660EC, WP-662EC, WP-674EC Replacement flosser tips: for universal use and to clean deep between teeth and below the gum line. Clinically proven to be twice as effective as string floss for improving gum health. Advanced design: these tips are greatest for every day use to remove plaque and help prevent gum disease and improve your oral health. Waterpik compatible models: compatible and recommended for use with cordless Waterpik water flossers including cordless advanced, cordless freedom, cordless plus, cordless professional, and cordless select. Material: ABS colour: Transparent + random color Note: Random color, don't accept the specified color. Package Contents: 20 x dental irrigator tube Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.