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    Philips Sonicare

    AirFloss Pro/Ultra - Interdental cleaner

    HX8424/31
    Sonicare
    Sonicare

    Philips Sonicare AirFloss Pro/Ultra - Interdental cleaner

    HX8424/31

    Designed for inconsistent flossers

    • Improves gum health by up to 100%******
    • Lets you know if you’re pressing too hard
    • Always know when to replace your brush heads
    • Easy start program builds your Philips Sonicare routine
    • Philips Sonicare's advanced sonic technology
    See all benefits

    Philips Sonicare AirFloss Pro/Ultra - Interdental cleaner

    Designed for inconsistent flossers

    • Improves gum health by up to 100%******
    • Lets you know if you’re pressing too hard
    • Always know when to replace your brush heads
    • Easy start program builds your Philips Sonicare routine
    • Philips Sonicare's advanced sonic technology
    See all benefits

    Designed for inconsistent flossers

    • Improves gum health by up to 100%******
    • Lets you know if you’re pressing too hard
    • Always know when to replace your brush heads
    • Easy start program builds your Philips Sonicare routine
    • Philips Sonicare's advanced sonic technology
    See all benefits

    Philips Sonicare AirFloss Pro/Ultra - Interdental cleaner

    Designed for inconsistent flossers

    • Improves gum health by up to 100%******
    • Lets you know if you’re pressing too hard
    • Always know when to replace your brush heads
    • Easy start program builds your Philips Sonicare routine
    • Philips Sonicare's advanced sonic technology
    See all benefits

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    AirFloss Pro/Ultra - Interdental cleaner

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    Healthier gums in 2 weeks, guaranteed*

    For those who don’t floss consistently, AirFloss Pro/Ultra**** is the easiest way to effectively clean between teeth. AirFloss Pro/Ultra can be used with mouthwash or water and is clinically proven as effective as floss for gum health.**
    Improves gum health by up to 100%******

    Improves gum health by up to 100%******

    Densely-packed, high-quality bristles give you an extra gentle brushing to remove plaque along the gumline to improve gum health up to 100% more than a manual toothbrush. And, the specially curved power tip makes reaching the teeth at the back of your mouth a breeze.

    Lets you know if you’re pressing too hard

    Lets you know if you’re pressing too hard

    Brushing too hard can damage your teeth and gums. To prevent this, your Philips Sonicare ProtectiveClean emits a gentle pulsing sound to remind you to ease off on the pressure.

    Always know when to replace your brush heads

    Always know when to replace your brush heads

    All brush heads wear out over time. But our BrushSync technology tracks how long you've been using your brush head for, and how hard you've been brushing. When it's time to replace it, a light on your handle and a short beep will let you know. That way, you can be sure your brush head is doing a good job.

    Easy start program builds your Philips Sonicare routine

    Easy start program builds your Philips Sonicare routine

    Starting something new can take some getting used to. Our easy-start program gives you the option of a gradual, gentle increase in brushing power with the first 14 uses with your new toothbrush.

    Philips Sonicare's advanced sonic technology

    Philips Sonicare's advanced sonic technology

    Philips Sonicare's advanced sonic technology pulses water between teeth, and its brush strokes break up plaque and sweep it away for an exceptional daily clean.

    Up to 99.9% plaque removal***

    Up to 99.9% plaque removal***

    AirFloss Pro/Ultra removes up to 99.9% of plaque from treated areas.***

    Air and micro-droplet technology

    Air and micro-droplet technology

    Our clinically-proven results are possible from our unique technology that combines air and mouthwash or water to powerfully yet gently clean between teeth and along the gumline.

    High performance nozzle

    High performance nozzle

    The new AirFloss Pro/Ultra high performance nozzle amplifies the power of our air and micro-droplet technology to be more effective and efficient than ever.

    Triple burst customizable settings

    Triple burst customizable settings

    AirFloss Pro/Ultra's powerful spray can be customized to your liking, with single, double or triple bursts for each press of the activation button.

    Takes just 60 seconds: Point, Press, Clean!

    Takes just 60 seconds: Point, Press, Clean!

    With the AirFloss Pro/Ultra, cleaning your entire mouth takes less than 60 seconds a day. Simply select your burst frequency (single, double or triple), and hold down the activation button for continuous automatic bursts or press and release for manual burst mode.

    Total daily confidence of a fresh and clean mouth

    Total daily confidence of a fresh and clean mouth

    Fill the reservoir on the handle with either mouthwash or water, then point and press. Use with mouthwash for the ultimate fresh experience and anti-microbial benefits.

    Technical Specifications

    • Cleaning performance

      Clinically proven results
      • As effective as floss
      • for gum health improvement
      • for plaque reduction
      • for reducing gum bleeding
      Customizable settings
      • Auto-burst or manual burst
      • Single/double/triple burst***
      For best results
      Change nozzle every 6 months
      Health benefits
      • Cleans entire mouth in 60 sec
      • Improve gum health in 2 weeks*
      Performance
      Removes up to 99.9% plaque**
    • Design and finishing

      Color
      • White with grey accents
      • White and Mint
    • Ease of use

      Battery indicator
      Handle LEDs show charge level
      Handle
      Slim ergonomic design
      Nozzle attachment
      Easily snaps on and off
      Battery Life
      1-3 weeks*****
    • Items included

      AirFloss Pro/Ultra handle
      1
      Handle
      1 ProtectiveClean
      Nozzle
      1
      Brush heads
      1 G2 Optimal Gum Care
      Charger
      1
    • Power

      Voltage
      Multi-voltage charger
    • Service

      Warranty
      2-year limited warranty
    • Technical specifications

      Battery
      Rechargeable
      Battery type
      Lithium ION
      Charge time
      24 hours to full charge
    • Modes

      Clean
      For exceptional everyday clean
      Gum Care
      Gently massages gums
    • Smart sensor technology

      BrushSync Replacement Reminder
      • Always know when to
      • replace brush heads

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    Reviews

    • or your money back
    • * when used in conjunction with a manual toothbrush and anti-microbial mouth wash in patients with mild to moderate gingivitis; AirFloss is designed to help inconsistent flossers develop a healthy daily interdental cleaning routine. Please see Q&A under Support tab for further details.
    • * * From the treated areas; In a lab study, actual in-mouth results may vary
    • * * *AirFloss Ultra and Pro are the same product but may be named differently depending on the country and channel.
    • * * * * depending on burst setting used
    • *****than a manual toothbrush