• Engineered by dental professionals
  • 1+ million sold
  • Stocked in 2,000+ dental practices
  • Award -winning dental care products
Engineered by dental professionals
1+ million sold
Stocked in 2,000+ dental practices
Award -winning dental care products
Sonic Flo
  • Sonic Flo
  • Sonic Flo
  • Sonic Flo
  • Sonic Flo
  • Sonic Flo
  • Sonic Flo

Sonic Flo

Cordless water flosser for everyday interdental cleaning

$89.95
$89.95 $119.00 You save 24%
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Pay in 3 interest-free instalments of $29.98
5.0
7 reviews
  • Helps flush away trapped food, plaque and debris
  • Adjustable pressure
  • Precision angled nozzle
  • Easy to fill
  • Leak-resistant reservoir
  • IPX7 waterproof
Sonic Flo Buy Sonic Flo
Select your finish: Pearl White & Rose Gold
$89.95 $119.00 You save 24%
Pay in 3 interest-free instalments of $29.98

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✓ Removes the build up of harmful bacteria between teeth

✓ 29% more effective than string flossing*

✓ 4 Cleaning Modes

✓ Dentist fresh clean every time

Meet the Sonic Flo, the cordless water flosser that makes interdental cleaning fast, comfortable and effective. A focused water jet helps remove trapped debris and disrupt plaque where brushing struggles—between teeth, along the gumline and around orthodontic work. Choose the mode that suits you, angle the slim nozzle and glide tooth-to-tooth. The ergonomic, travel-ready design and easy-fill reservoir make it simple to build a daily habit you’ll actually keep.

Every order ships free with full tracking. Standard deliveries arrive in 2–4 working days. Expedited Shipping options are available in checkout for faster deliveries.

See Shipping Policy here for more information

Changed your mind? Return it unopened within 100 days, or opened and used within 30 days.

See our returns policy →

Your Sonic Dental device comes with a 12-month warranty as standard. Want longer cover? Upgrade to a 3-year warranty for extra peace of mind.

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Sonic Flo Sonic Flo
Overview
How it works
Reviews
FAQs
Tech Specs
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Daily interdental care

A simpler way to clean between teeth

Sonic Flo uses a focused water jet to help flush away trapped food, plaque and debris from between teeth and along the gumline — in a routine that is quick, comfortable and easy to keep up with.

Fresh after every meal

Feel cleaner after food, coffee or snacks without waiting until your next brush.

Confidence for close conversations

Help your mouth feel cleaner before work, meetings, dates or social plans.

Flossing made easier

A simpler habit for people who struggle to keep up with string floss every day.

Easier to keep consistent

A quick daily step that feels easier to repeat than a complicated oral care routine.

Ready before you leave

Use it as part of your morning routine so your mouth feels fresher for the day ahead.

A cleaner feeling at night

End the day by flushing away the build-up left behind after meals and drinks.

Cleans between teeth and along the gumline

A focused water jet helps flush away trapped food and debris from areas brushing alone can miss.

Adjustable pressure for a comfortable clean

Choose a gentler setting for sensitive gums or increase the pressure when you want a deeper flush.

Digital battery display for daily use

See battery level at a glance, so you know when your Sonic Flo is ready to use or needs charging.

Precision nozzle for hard-to-reach areas

The slim angled tip helps guide water between teeth, around gumlines, braces, bridges and implants.

Cordless design for bathroom or travel

A rechargeable, cable-free design makes the Sonic Flo easy to use at home and simple to pack when needed.

Easy-fill reservoir for everyday use

The detachable water tank is designed to be simple to fill, rinse and keep ready for your next clean.

A deeper clean in 4 simple steps.

Step One

Fill the water tank

Remove or open the reservoir and fill with clean water. Attach the tank securely before use.

Step Two

Choose your mode

Select a comfortable pressure setting. Start gentle if you are new to water flossing or have sensitive gums.

Step Three

Clean along the gumline

Guide the nozzle between teeth and move slowly along the gumline as the water flows.

Step Four

Empty and rinse

After use, empty the reservoir, rinse the nozzle and leave the tank open to air dry.

Flossing, without the string.

Four modes, from gentle to jet, for a deep clean between teeth in about a minute.

REVIEWS

Over 1+ million Sonic Flo water flossers sold worldwide

Read customer reviews of Sonic Flo and discover how it fits into everyday oral-care routines.

4.75 1,425 reviews
FAQ’s

Frequently asked questions

Quick answers about using the Sonic Flo as part of your daily oral care routine.

Fill the reservoir with clean water, choose a comfortable mode and guide the nozzle slowly between teeth and along the gumline.

The Sonic Flo may be suitable for many users with braces, retainers, implants or bridges. Follow your dentist’s advice for your specific dental work.

The Sonic Flo is designed to form part of a daily oral-care routine. Follow the usage guidance supplied with the product and your dentist’s advice.

Start with a gentle setting if you are new to water flossing or have sensitive gums, then adjust the pressure to a comfortable level.

Only use liquids approved in the product instructions and rinse the reservoir thoroughly after use.

Keep your lips gently closed around the nozzle and lean over the sink while the water flows.

After use, empty the reservoir, rinse the nozzle and leave the tank open to air dry.

Replacement frequency depends on use. Follow the product guidance and replace the nozzle if it becomes worn or damaged.

Start with a gentle setting and ask your dentist for advice if you have sensitive gums, gum disease or ongoing dental treatment.

Yes. The cordless, rechargeable design is intended for use at home or while travelling.

Use the Sonic Flo as part of the oral-care routine recommended by your dentist.

Still got questions?

View our FAQs page

Tech Specs

Sonic Flo controls and components
FCC, CE, RCM and RoHS certifications
Tank Capacity270ml
Water Tank TypeDetachable
Rechargable Lithium Battery1400mAh
Charging Time4 hrs
Charging MethodUSB Charger
Battery Life40 Days
InputDC5V, 1A
Water Pressure10-110 PSI
Pulse Frequency≥ 2000 imp/min
WaterproofIPX7
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    Not happy with the results? No problem, you can return within 30 days. Fees apply.

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