Flosser Replacement Heads for Waterpik – We recommend replacing the Classic Jet Tip every 3 months, as mineral deposits can accumulate and reduce performance over time. High Compatibility – These replacement tips are compatible with most Waterpik water flossers and other brand oral irrigators, including: Ultra Water Flosser, Kids Water Flosser, Traveler, Cordless Freedom, Cordless Professional, Cordless Plus, Showerpik, Aquarius Professional, Complete Care, and all Designer Series Water Flossers. Compatible with models: WP-100, WP-112, WP-100W, WP-260, WP-300, WP-660, WP-670, WP-672, WP-674, WP-676, WP-861W, WP-862W, WP-900, WP-950, WP-952. Also compatible with other brand water irrigators: DS-600W, VA-EB006, WF-700. Waterpik Replacement Parts – Designed for general use to clean between teeth and below the gum line. Clinically proven to be twice as effective as string floss for improving gum health. Ensure you have the right tips to support your daily oral hygiene routine. Material: ABS Package Includes: 1 set of 6 flosser replacement heads