Flosser Replacement Heads For Waterpik Replace the Classic Jet Tip every 3 months to maintain optimal performance, as mineral buildup may reduce effectiveness over time. High Compatibility These replacement tips work with most Waterpik water flossers and compatible oral irrigators, including: 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. Compatible 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 fits select models from other brands: DS-600W, VA-EB006, WF-700. Waterpik Replacement Tips Designed for everyday use to clean between teeth and below the gumline. Clinically proven to be twice as effective as string floss for improving gum health. Choose the right tips to support your daily oral care routine. Material: ABS Package Included: 1 Set of 6 Flosser Replacement Heads