Plaque Seeker Tips The Tips use for dental areas that are susceptible to plaque accumulation, including implants, crowns, bridges, and permanent retainers.^ High CompatiblityCompatible with WaterPik most water flossers and other brand oral irrigators including: The 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.^ Work with modelsWP-100 WP-100W WP-108 WP-112 WP-250 WP-260 WP-300 WP-440 WP-450 WP-462 WP-560 WP-562 WP- 563 WP-565 WP-660 WP-662 WP-462 WP-670 WP-672 WP-676 WP-811 WP-861W WP862W WP-900 WP-940 WP-950 WP-952 DS-600W VA-EB006, Compatible With Flycat RC165 FC168 FC188 FC158, Compatible With Waterpulse V300 V400 V600 V660.^ Easy to ReplaceOur innovative tip replacement takes the strain out from flossing. Easily replace these alternative heads to make your water flossing work well.^ Set of 4pcs4 pieces 2 colors tips for general use, good replacement for the original one