Meet Colgate Blast, the easier way to floss. Blast Water Flosser regular nozzle refills, 2 nozzles included. Compatible with Blast and Blast Series 2 water flossers. Colgate Blast Cordless Water Flosser provides better flossing* for a cleaner feeling**. It gives you the easy clean for all those tricky in-betweens in your mouth and along your gums. No more messy fingers in your mouth with our compact, cordless and portable design. Blast away plaque in a way that is gentle on your gums. Let's Get Flossing! Inserting and Removing the Nozzle: 1. Remove the nozzle from the package. 2. Insert the nozzle into the nozzle jack until it clicks into place. 3. To remove the nozzle, press and hold the nozzle eject button and gently pull out the nozzle. Warning: Do not eject the nozzle during operation. Nozzle Maintenance: Wash nozzle with water, then dry with a softcloth or paper towel. It is recommended to replace the nozzle every 6 months. Please replace if the nozzle tip is deformed, to avoid misuse or malfunction. Pack Size: 2 Regular Nozzle Refills Compatible with Colgate Blast Water Flosser Series 1 and Series 2 *(vs. string floss) **(vs. brushing alone)