This is a replacement straw for the DaVinci. It is identical to the mouthpiece that comes with the original item. if you have lost or misplaced your mouthpiece, then you have come to the right place.
How to clean
Remove the Flexi-straw from the vaporizer and any loose particles that may still be in there. Soak in warm water and use the bristle brush to clean out the smaller particles. once done rinse completely and allow it to dry.