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Philips Sonicare Power Flosser & Toothbrush System 7000, HX3921/40
Sustainability certifications
Products with trusted sustainability certification(s).
Product Certification (1)
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GreenCircle certifies that a product has a verified carbon footprint reduction through improvements in the raw materials used to make the product or in the manufacturing operation. These reductions are represented in GreenCircle's Certified Environmental Facts (CEF) label.The CEF label is a multi-attribute label that highlights sustainability achievements. It tells the complete sustainability story of products and manufacturing operations. Every attribute on the CEF label is third-party certified.
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Purchase options and add-ons
Brand | Philips Sonicare |
Power Source | Battery Powered |
Special Feature | Bluetooth Connectivity |
Product Benefits | "Up to 270% more effective than manual toothbrush and floss for healthier gums.", "Creates four wide streams of water for a thorough clean between the teeth and along the gum line.", "Gentle pulses of water guide you from tooth to tooth so that you won't miss a spot." See more |
Unit Count | 1 Count |
About this item
- Up to 270% more effective than manual toothbrush and floss for healthier gums.
- QUAD STREAM TIP - Creates four wide streams of water for a thorough clean between the teeth and along the gum line.
- PULSE WAVE TECHNOLOGY - Gentle pulses of water guide you from tooth to tooth so that you won't miss a spot.
- WHISPER QUIET DESIGN - Engineered for a discreet clean, so you get great results without disturbing others.
- 4 flossing modes, 10 intensities and includes ExpertClean 7300 with Bluetooth Sonicare App progress report and connected charging dock.
- Includes: 1 Power Flosser, 3 Nozzles, 1 Nozzle case, 1 Power Toothbrush, 1 Brush Head, 1 Toothbrush Travel Charger, 1 Toothbrush Travel Case
Frequently bought together
![Philips Sonicare Power Flosser & Toothbrush System 7000, HX3921/40](https://images-na.ssl-images-amazon.com/images/I/713MQo7a6PL._AC_UL116_SR116,116_.jpg)
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Climate Pledge Friendly
Products with trusted sustainability certification(s). Learn morePRODUCT CERTIFICATION (1)
GreenCircle Certified: Certified Environmental Facts Label verifies product carbon footprint reduction in the raw material or manufacturing stage.
From the brand
![Philips Sonicare: always get brushing right with our electric toothbrushes and genuine brush heads](https://m.media-amazon.com/images/S/aplus-media-library-service-media/f186e608-0a63-43d2-83a9-8c4c6f54cde6.__CR0,0,1464,625_PT0_SX1464_V1___.jpg)
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Sustainability certifications
Products with trusted sustainability certification(s).
Product Certification (1)
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GreenCircle certifies that a product has a verified carbon footprint reduction through improvements in the raw materials used to make the product or in the manufacturing operation. These reductions are represented in GreenCircle's Certified Environmental Facts (CEF) label.The CEF label is a multi-attribute label that highlights sustainability achievements. It tells the complete sustainability story of products and manufacturing operations. Every attribute on the CEF label is third-party certified.
From the manufacturer
![woman using power flosser](https://m.media-amazon.com/images/S/aplus-media-library-service-media/d01a2b82-f996-446c-9a6c-13dadb3919a2.__CR0,0,970,300_PT0_SX970_V1___.jpg)
![top of water flosser with toothbrush against blue background](https://m.media-amazon.com/images/S/aplus-media-library-service-media/6615b291-0143-402d-9b69-8da0dfa26508.__CR0,0,970,300_PT0_SX970_V1___.jpg)
![bottom of water flosser andtoothbrush against blue background](https://m.media-amazon.com/images/S/aplus-media-library-service-media/fd37f37f-6b54-41d9-b8bd-3cff29d8185e.__CR0,0,970,300_PT0_SX970_V1___.jpg)
![nozzle in use; person using nozzle; man using flosser in bathroom next to child and woman](https://m.media-amazon.com/images/S/aplus-media-library-service-media/bfea575a-954a-4e58-9914-25c3602af966.__CR0,0,970,300_PT0_SX970_V1___.jpg)
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Philips Sonicare Power Flosser 3000 HX3711/20 | Philips Sonicare Power Flosser 5000 HX3811/20 | Philips Sonicare Power Flosser 7000 HX3911/30 | Philips Sonicare Power Flosser 7000 with Toothbrush System HX3921/40 | |
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Customer Reviews |
4.2 out of 5 stars
886
|
4.1 out of 5 stars
1,430
|
4.3 out of 5 stars
1,254
|
4.3 out of 5 stars
1,254
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Price | $77.98$77.98 | $99.96$99.96 | $139.96$139.96 | $249.96$249.96 |
Modes | 2 | 2 | 4 | 4 |
Mode Types | Clean, Deep Clean | Clean, Deep Clean | Clean, Deep Clean, Sensitive, Massage | Clean, Deep Clean, Sensitive, Massage |
Nozzles Included | 2 | 2 | 3 | 3 |
Nozzle Types | Quad Stream nozzle, Standard nozzle | Quad Stream nozzle, Standard nozzle | Quad Stream nozzle, Comfort nozzle, Standard nozzle | Quad Stream nozzle, Comfort nozzle, Standard nozzle |
Magnetic dock w/auto shut-off | No | Yes | Yes | Yes |
Water Reservoir | 18.6oz (550ml) with removable lid | 18.6oz (550ml) with removable lid | 20.3oz (600ml) with hinged lid | 20.3oz (600ml) with hinged lid |
Power Toothbrush included? | No | No | No | Yes- Philips Sonicare Power toothbrush included |
Product Description
Discover the power of Sonicare with the new Philips Sonicare Power Flosser and Philips Sonicare ExpertClean 7300 in one -- up to 270% more effective than manual toothbrush and floss for healthier gums! The Power Flosser creates an X-shaped stream of water that reaches deep between teeth for a gentle, thorough clean. This X-shaped water stream, known as Quad-Stream technology, covers more surface area for a faster, deeper clean versus manual floss. Complete your clean with the Philips Sonicare ExpertClean 7300, designed to give you an exceptional daily clean and help you keep up good brushing habits.
Product details
- Product Dimensions : 8.62 x 7.48 x 10.43 inches; 3.27 Pounds
- Item model number : HX3921/40
- Date First Available : March 1, 2020
- Manufacturer : Philips Sonicare
- ASIN : B08LJ6CBSW
- Country of Origin : Indonesia
- Best Sellers Rank: #21,080 in Health & Household (See Top 100 in Health & Household)
- #74 in Power Dental Flossers
- Customer Reviews:
Product guides and documents
Compare with similar items
This Item ![]() Philips Sonicare Power Flosser & Toothbrush System 7000, HX3921/40 | Recommendations | dummy | dummy | dummy | dummy | |
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Price | $249.96$249.96 | -40% $29.95$29.95 List: $49.95 | -6% $187.44$187.44 List: $199.99 | $120.00$120.00 | $124.99$124.99 | $199.99$199.99 |
Price Per Unit | $249.96 / Count | $29.95 / Count | $187.44 / Count | $120.00 / Count | $124.99 / Count | $199.99 / Count |
Delivery | — | Get it as soon as Tuesday, Sep 17 | Get it as soon as Tuesday, Sep 17 | — | Get it as soon as Tuesday, Sep 17 | Get it as soon as Tuesday, Sep 17 |
Customer Ratings | ||||||
Sold By | Amazon.com | Pure Daily Care | Amazon.com | Euphoria Tech | GreenDot sales | Amazon.com |
material | Plastic | Lithium | — | Plastic with chrome accents | Chrome | Plastic |
tank volume | — | 0.59 quarts | 16 fluid ounces | — | — | 20 fluid ounces |
power source | Battery Powered | Battery Powered | Corded Electric | Corded Electric | Corded Electric | Corded Electric |
specification met | — | Energy Star (Battery Charger) | FDA, UL, ADA | — | Ultra Plus: ADA Seal of Acceptance; Cordless Express: Waterproof | FDA, UL, ADA |
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Philips Sonicare Power Flosser & Toothbrush System 7000
Philips Sonicare
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HONEST REVIEW! Philips Sonicare!
Travis and Kasia Carr
Important information
Directions
1. Fill the Power Flosser with water. 2. Direct the X-shaped stream of water between teeth. 3. Move the Power Flosser along the gum line, allowing the Pulse Wave technology to guide you from tooth to tooth.
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Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the whitening effect and noise level of the oral irrigator. They mention it's highly effective for dental hygiene, and the stream is strong enough to make their teeth feel clean. Customers also like the ease of use and pressure settings. However, some customers have reported that the product started to leak from the bottom after 3 months. Customers disagree on its effectiveness, build quality, and value for money.
AI-generated from the text of customer reviews
Customers like the whitening effect of the oral irrigator. They say the stream is strong enough to make their teeth feel clean, but gentle enough to not hurt. They also appreciate cleaner spaces between teeth and say it's highly effective for dental hygiene.
"...and, more than forty years later, my current dentist rates my gum health as very good...." Read more
"...It is the cleanest my teeth have ever felt and compliments my electric toothbrush in terms of how clean my teeth and mouth are after use." Read more
"Works as advertised. You feel exceptionally clean after using it. Only two problems:1) the reservoir leaks if it’s left filled overnight...." Read more
"...a good amount of power and settings and after use notice our teeth feeling very clean. Definitely recommend!" Read more
Customers like the noise level of the oral irrigator. They mention it's powerful, remarkably quiet, and convenient.
"...Powerful, remarkably quiet, convenient. (Note: I have NOT tried the newest Water Piks, so cannot directly compare.)..." Read more
"I like this flosser because it works well and it’s quiet! I had bought another flosser that was so loud it really bothered me...." Read more
"Noticeably quieter than a waterpik, which I appreciate. Has a polished design that feels well engineered...." Read more
"...So far, this one is quiet and powerful and does not leak." Read more
Customers find the oral irrigator easy to use. They mention it's easy to fill and attach to the base.
"...The water pressure dial is great, easy to use, and "goes up to 11" if you like the full blast. (I do. Good gum massage.)..." Read more
"Compact, easy to put together and use, helps keep off coffee and tea stains. I love it." Read more
"...The instructions are easy to follow...." Read more
"...It’s incredibly easy to set up and use. Very comfortable on my gums. Happy about this purchase! It’s worth it" Read more
Customers appreciate the pressure settings of the oral irrigator. They mention it has different modes and sensitivity settings, as well as a variety of water pressure. Some also mention the flosser works along with different modes, and a good variety of pressure.
"...The water pressure dial is great, easy to use, and "goes up to 11" if you like the full blast. (I do. Good gum massage.)..." Read more
"I love how easy the water flosser works along with different modes and sensitivity settings...." Read more
"...it also offers four different modes and a convenient speed adjustment dial with LED indicator lights, making it easy to pick your favorite mode and..." Read more
"...Tooth brush has variable speeds and does agreat job." Read more
Customers have mixed opinions about the effectiveness of the oral irrigator. Some mention it works pretty well, while others say it broke internally and is completely unusable. They mention the water leaks from the base and the flosser started leaking.
"...Anyway, make no mistake: Water Pik is an excellent product and a pioneer company. They invented the entire idea, and kept going...." Read more
"...This thing is reasonably quiet, much more comfortable to use, and does a great job...." Read more
"...the app is useless, and somehow changed the behavior of the brush (incidentally it only works with the brush, not the flosser)...." Read more
"I like this flosser because it works well and it’s quiet! I had bought another flosser that was so loud it really bothered me...." Read more
Customers have mixed opinions about the build quality of the oral irrigator. Some mention the tubing looks sturdy, while others say it broke after six months.
"...Does clean well but fear it will not last long." Read more
"...Has a polished design that feels well engineered...." Read more
"Have been using for 6 months, works fine and helpful, but kind of flimsy and feels like it may break. Leaks from the bottom of the wand...." Read more
"...typically failed after 2 years... It was not - this one failed at just over 2 years with light usage. Wonder if they are made in the same factory?..." Read more
Customers have mixed opinions about the value for money of the oral irrigator. Some mention it's 100% worth the money and a good investment for their oral health, while others say it'll be useless and expensive.
"...It was the most expensive of the units...." Read more
"...I do not see how anyone could go wrong with either unit. Pricing is similar (when comparing competitive models) depending on which store has which..." Read more
"...up less room than some, directions to set up not clear, looks thin and cheap. Does clean well but fear it will not last long." Read more
"...The only issue is that it’s more expensive than a Waterpik and doesn’t do a whole lot more...." Read more
Customers are dissatisfied with the leakage of the oral irrigator. They mention it started to leak from the bottom after 3 months, so the tank empties within a minute. They also mention the water runs out fairly quickly, so they need to fill it twice to get the job done.
"...the reservoir leaks if it’s left filled overnight...." Read more
"Loved it until the flosser starting leaking and intimately stopped working altogether. It broke right after warranty was up unfortunately...." Read more
"I wasn't lucky. The product started to leak from the bottom after 3 months...." Read more
"...Leaks from the bottom of the wand. Could be better made and thinking I want to try a Waterpik instead." Read more
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Because I was at a boarding school at the time, I saw the struggles of the other boys who had braces too: flicking with their toothbrushes, getting floss caught in the hardware on their teeth, with little luck. In two minutes, I had all the food blasted out of my braces. The only thing that felt better was finally getting my braces off.
But I kept using it, to this day amazed how few people know about, understand, or are interested in water flossing. It's one of the greatest dental inventions ever, and everyone should do it. After many years, Water Pik was able to print on their box "50% more effective than flossing". I have no doubt that's true. I have tooth gaps that yield an astonishing amount of food every night stuck in there, all released and down the drain with water flossing. Which means: food NOT sitting in there and fermenting against my teeth and gums. Follow up with (electric) tooth brushing and you've done about the best that can be done.
For a few years in my twenties, I slacked off completely, ignored dental hygiene, and things got bad. Canker sores, the whole nine yards. The only dentist I went to back then was so alarmed he said: "Come back when you have gums again", and told me to brush and floss vigorously before he'd do any other work. I got back into the Water Pik habit and, more than forty years later, my current dentist rates my gum health as very good. (I looked it up: the majority of people my age have gum disease of some kind. Plus, gum health contributes to bone health. I now have four dental implants. You can't get those unless you have the bone to support them. It's all intimately connected.)
Anyway, make no mistake: Water Pik is an excellent product and a pioneer company. They invented the entire idea, and kept going. But the unit I most recently had was finally getting decrepit (after a long, long time of nightly use). I looked carefully before simply ordering another. And decided to try the Philips Sonicare Power Flosser 7000. I am glad I did.
Powerful, remarkably quiet, convenient. (Note: I have NOT tried the newest Water Piks, so cannot directly compare.) It's actually nice, just before bedtime, to *quietly* water floss. That may sound trivial, but low noise does help for staying in a relaxed mood to get to sleep. I have been using it for a month, and am very pleased with the nightly results. The water pressure dial is great, easy to use, and "goes up to 11" if you like the full blast. (I do. Good gum massage.) On that setting, it will blast way harder than my previous Water Pik. Go gentler if that's your speed. The handle easily snaps magnetically into place when you're done, another convenience for less fuss.
My personal tip: mix warm water with hydrogen peroxide. If you have the standard 3% hydrogen peroxide, about 1/3 that + 2/3rds warm water is about right for me. Then water floss with that, and rinse. I'm convinced the resulting oxygenation helps suppress the bacteria that contribute to gum deterioration, and my dentist's approval of my gum health is at least some evidence of that. Peroxide has long been used as a "mouthwash". (Like any mouthwash, just don't swallow it.)
Dental health, the daily job. Believe me when I say: water flossing is a huge convenience, and this product is a first-rate device for getting it done better and faster.
Glad I did! This thing is reasonably quiet, much more comfortable to use, and does a great job. I can feel and see the difference after only a few days of regular use.
1) the reservoir leaks if it’s left filled overnight. Always make sure it’s completely empty when you’re not using it.
2) the app is useless, and somehow changed the behavior of the brush (incidentally it only works with the brush, not the flosser). Deep Clean Cycle usually goes for 3 minutes, with beeps every 30 seconds to tell you to change sections. Super useful. I do my bottom-left molars, then my bottom-right, then top-right, top-left, then top incisors and canines, then finally bottom incisors and canines. However, when I tried pairing the cycle with the app, it reduced the cycle to 2 minutes, with only 20 seconds in between beeps. It was awkward, and I didn’t really feel I had completely cleaned each section by the time the buzzer went off.
Ultimately, These are minor nitpicks in an otherwise great product.
But as to a REVIEW, I had been using a Waterpik Sonic Fusion. And the Sonicare wasn't as convenient to use for at least ONE reason: on the Waterpik Sonic Fusion, the HOSE attachment to the brush unit ROTATES, whereas the hose attachment on the Sonicare is FIXED, hence it TWISTS as you rotate the irrigation head.
I was drawn TO the Sonicare because their brushes have been so good for so many years. And I thought the quad stream might be superior - I can't see that it is, however.
The Sonicare IS a little quieter but not by that much. And, I've been using the Waterpik (now resurrected) has been working without problem for well over a year.
However, my dentist said the Waterpik wasn't doing a good enough job by itself - and (I have cleanings QUARTERLY) he showed me the evidence. So, I had already gone back to using floss - but used the Waterpik before and after flossing - THEN I used my Sonicare toothbrush (which I consider superior to all other electrics - especially with its available brush heads - I use the A3).
I guess I'll write off the cost of the Sonicare...
(It was failing to draw any water - no matter how I set any of the switches - the MOTOR seemed to be operating normally - possibly implying a blockage - OR a failure of the switch on the handle??)
Top reviews from other countries
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Nunca más voy a comprar algún producto de PHILIPS ...
No duró ni un año ya que se descompuso a los 10 meses de uso. La peor ducha dental que jamás he comprado
![Customer image](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/transparent-pixel._V192234675_.gif)
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Reviewed in Mexico on February 22, 2023
Nunca más voy a comprar algún producto de PHILIPS ...
No duró ni un año ya que se descompuso a los 10 meses de uso. La peor ducha dental que jamás he comprado
![Customer image](https://m.media-amazon.com/images/I/71X9Pab71DL._SY88.jpg)
![](https://images-na.ssl-images-amazon.com/images/S/amazon-avatars-global/default._CR0,0,1024,1024_SX48_.png)
I got to tell you that I can't say enough good things about this 7000 model. The first and most important to me was the quietness of the water pump. I now can floss late at night without waking up the house. This model has all the bells and whistles: 4 modes, 3 nozzles, 10 intensity settings, a 30-second pacer (if desired) that indicates when you should move to the next quadrant of your mouth, Pulse-Wave Technology for two of the modes, Magnetic Docking for the handle when not in use, a 600 ml reservoir with a hinged lid, control of the water flow on the handle.
The first three modes: CLEAN, DEEP CLEAN and SENSITIVE are used to remove food particles from around your teeth. The fourth mode, MASSAGE is to use water in a gentle flow to massage your gums. All the modes are wonderful so it is really a matter of personal choice as to what you prefer at any given session. The nozzles: the Standard nozzle ejects water like any water flosser, the Comfort nozzle is quite unique in the sense that it can touch your tooth and not slide off, as the rubber end acts like a brake for an exacting wash, the Quad Stream nozzle works similarly to the Comfort nozzle because it has a rubber tip as well but the squirting pattern is in four directions at once. I am NOT convinced that the Quad Stream nozzle is BETTER than the other nozzles, just different.
I should also note the three nozzles come in a very practical plastic case with the intent to store them in the case between flossings.
The Pacer, which essentially is a timer that indicates that your 30 seconds are up and time to move on to the next quadrant of your mouth. The indication is in the form of a 1-2 second pause of the water pump as opposed to an audio beep. Personally, I turned the pacing feature off.
Having a hinged lid on the reservoir ..... I really hadn't thought about it before as the WaterPik units have a detached lid or cover. But I actually close the lid when I am flossing now because I believe it keeps the water at a stable temperature without cooling.
And finally, the Magnetic Docking of the handle is a really cool and simple feature. Click and it is attached to the unit.
In some of the other reviews I have read, people have mentioned water leaks. I have not experienced unintended water leaks from the handle, the hose or the reservoir. Mind you, I use ALL 600 ml of water each flossing and wipe everything dry until the next time as opposed to some who leave a supply of water in the reservoir so they don't have to keep filling it. Whether that contributes to leaks, I have no idea.
When you are done flossing, detach the nozzle, blow out any drops of moisture and store it in the case. Shake out the handle in the sink ....a couple of drops of water may come out ....wipe the handle and the reservoir dry until next use.
Anyways, as you can conclude, I am TOTALLY happy with my purchase. It truly DOES blow WaterPik away and the manufacturer has a two-year warranty.
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The main complaint with the water floss station is that water seems to drain or leak from the handle after a few hours causing a small pool of water beneath it
Multiple modes on both the toothbrush and floss station make it easy to use and get adjusted to stronger settings. Would recommend
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