https://www.amazon.com/Charging-Fairywill-Aquasonic-Waterfloss-Replacement/dp/B09WXLS12F/ref=sr_1_16?crid=7VKSB7MD9EZV&keywords=tovendor&qid=1651710984&s=beauty&sprefix=tovendor%2Cbeauty%2C90&sr=1-16
This looks compatable, and is cheap enough to roll the dice on.