For periodontal pockets and furcations. A soft rubber tip designed for gentle low-pressure delivery of therapeutic rinses below the gumline. Clinically proven to access 90 of a 6mm pocket. Replace every 3 months Recommended for use with... WF-02 - Cordless Express Water Flosser WF-03 - Cordless Freedom Water Flosser WP-100 - White Ultra Water Flosser WP-112 - Black Ultra Water Flosser WP-260 - Water Flosser For Kids WP-300 - Traveler Water Flosser WP-440 - Cordless Professional Water Flosser WP-450 - Cordless Plus Water Flosser WP-462 - Black Cordless Plus Water Flosser WP-560 - White Cordless Advanced Water Flosser WP-562 - Black Cordless Advanced Water Flosser WP-563 - Blue Cordless Advanced Water Flosser WP-565 - Orchid Cordless Advanced Water Flosser WP-660 - Aquarius Professional Water Flosser WP-670 - White Aquarius Professional Designer Series Water Flosser WP-672 - Black Aquarius Professional Designer Series Water Flosser WP-674 - Pink Aquarius Professional Designer Series Water Flosser WP-676 - Teal Aquarius Professional Designer Series Water Flosser WP-861W - Waterpik Complete Care 5.0 WP-862W - Waterpik Complete Care 5.0 WP-900 - Waterpik Complete Care WP-950 - White Waterpik Complete Care 7.0 WP-952 - Black Waterpik Complete Care 7.0