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Sonic Dental
Sonic Dental Sonic Flo Cordless Water Flosser

Sonic Dental Sonic Flo Cordless Water Flosser

4.9(36 ratings)

Best price now

$49.95at Sonic DentalObserved at 12:33 AM

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Our take on the Sonic Dental Sonic Flo Cordless Water Flosser

The Sonic Flo is a cordless, rechargeable water flosser with three cleaning modes and three tips, including a tongue cleaning tip. It pulses at 1200 to 1800 times per minute, is IPX7 waterproof, and the 1400mAh battery is rated at up to 60 days per charge. It is sold at one store, priced at $49.95 at Sonic Dental as of November 7, 2026, so there is no lower price to compare against right now.

Best forPeople who skip string floss but want to clean between teethBraces, bridges and crown wearersTravelers who want a cordless flosserAnyone adding tongue cleaning to their routine
Pros
  • Three cleaning modes suit sensitive gums and stronger cleaning
  • Includes a tongue cleaning tip plus two standard nozzles
  • IPX7 waterproof, so it can be used in the shower
  • Rated up to 60 days of use per charge
  • Cordless and portable for travel
Cons
  • Only one store lists it, so there is no price competition
  • No travel case listed among the included accessories
  • No pressure or water-tank figures published
  • Replacement nozzles are an ongoing cost

Sonic Dental Sonic Flo Cordless Water Flosser prices at every store

  • Sonic DentalNew

    In stock

    $49.95Observed at 12:33 AM
    Visit Sonic Dental

Sonic Dental Sonic Flo Cordless Water Flosser price history

Lowest price we've seen: $49.95 on Nov 7 at Sonic Dental. Tracked across 1 store since Nov 7.

What reviewers say

  • 4.9 / 536 ratings
What people mention
  • CleaningPraisedOwners say it cleans between teeth well and leaves the mouth feeling fresher.
  • Tongue tipPraisedThe included tongue cleaning tip is called out as a useful extra.
  • BatteryPraisedThe long run time between charges is a common positive.
  • ModesMixedSome find the lower modes gentle, while others want more pressure.

Specifications

Replaceable Head
Yes
Product Type
Water Flosser
Subtype
Water flosser
Included Accessories
2 x Standard Cleaning Nozzles
Motor Speed
1200-1800 times/min (Pulse Frequency)
Body Part Use
Tongue, Between teeth
Specific Dental Concerns
Removes the build up of harmful bacteria

Questions and answers

Is the Sonic Flo a good first water flosser?
Yes. Three modes let you start gentle and move up, and the tongue tip adds a second use. It is cordless and waterproof, so it fits easily into a bathroom routine.
How long does the battery last?
The 1400mAh lithium battery is rated at up to 60 days per charge. Actual time depends on which mode you use and how long each session runs.
Can I use it in the shower?
Yes. It carries an IPX7 waterproof rating, so splashes and shower use are fine.
What comes in the box?
Two standard cleaning nozzles and a tongue cleaning tip. No travel case is listed.
Is $49.95 a good price?
Only Sonic Dental lists it, at $49.95 as of November 7, 2026, so there is no competing price to beat. Compare it against cordless flossers with similar modes and battery life.
How often should I replace the nozzles?
Dental guidance is generally every three to six months, or sooner if the tip looks worn. The heads are replaceable.
Where is the Sonic Dental Sonic Flo Cordless Water Flosser cheapest?
At Sonic Dental, for $49.95, as of our latest check.
What do buyers say about the Sonic Dental Sonic Flo Cordless Water Flosser?
Rated 4.9 out of 5 from 36 ratings.
Disposable
No
Water Resistance
Waterproof, IPX7
Power Source
Rechargeable Battery
Voltage
DC5V, 1A (Input)
Rechargeable Battery
Yes
Battery Life
60 Days
Battery Capacity
1400mAh
Battery Type
Lithium Battery
Travel Features
Portable Water Flosser