Woot offers Aquasonic Water Flosser - 4 Tips & Travel Bag for $29.99 (orig. $49.99). Free shipping for Prime Members.

Product Description:
The Aquasonic Aqua Flosser is your best tool to maintain optimal oral health. Clinically proven to be up to 5x more effective than traditional string floss in maintaining gum and dental health. This device is also ideal for kids and those with braces and/or other dental treatments. An addition of 4 color coded interchangeable tips and a travel bag are included with every Aqua Flosser purchase. ​

• Maintain optimal oral health
• Clinically proven to be up to 5x more effective than traditional string floss in maintaining gum and dental health
• Ideal for kids and those with braces and/or other dental treatments
• A bonus of 4 color-coded interchangeable tips and a travel bag are included with every purchase
• Powerful yet gentle ultra fine jet stream to dislodge food and plaque in hard to reach areas
• Large 150ml tank for continuous use after each fill up
• 4 interchangeable color coded tips for whole family use
• Rechargeable power cord and user manual