Upgraded version---- HF-9 whisper is newest upgraded version of model HF-8 and the major change is the noise much lower than previous model. Note: this h2ofloss water floss is much quieter than most brands in market but there still exists noise6 pressure settings with
![Bamboo Cutting Boards for Kitchen [Set of 3] Wood Cutting Board for Chopping Meat, Vegetables, Fruits, Cheese, Knife Friendly Serving Tray with Handles](https://m.media-amazon.com/images/I/41aAMfBj8zL._SL500_.jpg "Bamboo Cutting Boards for Kitchen [Set of 3] Wood Cutting Board for Chopping Meat, Vegetables, Fruits, Cheese, Knife Friendly Serving Tray with Handles")
