· Compatible with COSLUS Models: For COSLUS C20 (F5020E) & E40 (WFP14) professional portable Water Flossers. Not only can you use it at home, but you can also whiten your teeth on the go when traveling and in the office· Make Your Smile More Confident: This whitening tip can be used with COSLUS portable water dental floss, When using add a mint whitening to enhance the cleaning effect and provide a refreshing sensation in your mouth. This will gently whiten teeth, keeping your breath fresh, let you confidently show off your natural and brilliant smile. The transparent tip allows for clear monitoring of the use of mint whiten, and the rotating switch design makes it more convenient to replace· Easy to Use, Refreshing Oral Cleaning Experience: Insert the whitening nozzle into the Portable water teeth jet pik, twist to open, insert one whitening mint at a time, and then choose the appropriate cleaning mode to clean your teeth as usual. The COSLUS whitening water dental flossers delivers high-pressure pulses to quickly mix the Minty Whitening with water, the minty fresh flavor provides a fun and friendly teeth whitening and cleaning experience. (Recommended storage in a dry place)· Continued Use, 2 Weeks Restore Natural Whiteness: Adding a whitening minty to your daily water detal flossing routine easily remove stains from hard-to-reach corners of your mouth, between teeth, and along the gum line. Consistent use for up to 2 weeks will restore your teeth to their natural whiteness. Make teeth whitening more gentle everyday· Package Includes: 1×COSLUS Specialized Replacement Tip for Stain Support and Whitening Teeth. 60×Mint Refills for water flosser (For refills, use COSLUS whitening mint flavor refill model E8030)