Philips Sonicare

Philips Sonicare Power Flosser 3000 HX3711 20

750+ bought in the past month

$73.49$89.96

About this item

  • Up to 180% more effective than floss for healthier gums
  • Quad Stream delivers four wide streams of water that penetrate deep between teeth and along the gum line, covering 9x the surface area of single stream water flossers
  • Removes up to 99% of plaque from below the gumline
  • 2 flossing modes, 10 intensities
  • Countertop Water Flosser has large water reservoir of 550ml and securely fits in the bathroom
  • 360-degree nozzle rotation ensures you can reach every corner of your mouth when water flossing
$73.49
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Product details

BrandPhilips Sonicare
Power SourceCorded Electric
Special FeatureMultiple Tips
Product BenefitsImproves gum health and removes plaque, preventing bad breath
Unit Count1 Count

Technical specifications

product_dimensions5.32 x 5.91 x 9.25 inches; 2.24 Pounds
item_model_numberHX3711/20
date_first_availableNovember 11, 2021
manufacturerPhilips Sonicare
best_sellers_rank#64,678 in Health & Household ( See Top 100 in Health & Household ) #137 in Power Dental Flossers

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Customer reviews

4.11,129 ratings

Customers say

Customers find the oral irrigator effective at cleaning teeth after meals and appreciate its quiet operation.

★★★★★

Except choice

Ed BradyJanuary 26, 2026✓ Verified purchase

This unit does a very effective flossing treatment. It is also quiet, easy to use, well made and attractive. Read more

★★★★★

My new favorite water pik!

BGPNovember 8, 2025✓ Verified purchase

I love it! My water pick was leaking so tossed it and decided to try a Philips Pik this time. I have been using it for3 days now and must say I like it! It is cute and compact, not taking up much space on my bathroom counter. It is much quieter than the water pick brand. It only came with 2 attachments for flossing but a new kind that offer a cross wave of water that I like. It cleans my teeth well, I floss after use to test how well it did and nothing appears to be left behind. It seems to be a terrific, durable, reliable water pick. I would definitely recommend this, way more than the waterpik brand. Read more

★★★★☆

Quiet, good pressure. Don't use the stop button on the handle and it will last.

SergeFebruary 4, 2026✓ Verified purchase

We love it! Quiet, good pressure, convenient and effective. **CAUTION:** Do not use the stop button on the handle—it blocks flow, causing the pump to stall at maximum pressure, which forces water back into the motor. This likely causes premature failure. This product uses safe 24VDC near water. Our previous brand was loud and died within months. This unit stopped working after six months of heavy use. I disassembled it and found the motor stuck (as others reported). After applying WD-40, then proper lubrication (3-in-1 oil for brass bearings, lithium grease for gears), it works like new again. Read more

★★★★★

Game changer for real

David BonaneyFebruary 11, 2026✓ Verified purchase

I love the water floss. This particular one has different modes and different pieces. I personally only use the flossing portion and it’s very efficient. Definitely runs out of water pretty quick, but it’s still powerful and effective. Highly recommend especially for the price. Read more

★☆☆☆☆

terrible design and QC

Mr. DJune 21, 2023✓ Verified purchase

I've had bad luck with Waterpik (who used to make an amazing product years ago), so decided to try one of these. With the 1st one the tip would not stay latched in the handle and that was within a few days of use. Everyone in the family has their own (different brands), so this was not a re-insertion problem. There is a tiny latch that just wouldn't hold and tip would pop out as soon as powered on. Generally liked the unit, so sent it back to unfortunately be land-filled and replaced by identical one. Second unit didn't have this problem, but noticed after a few weeks that there was always a puddle of water seeping out from under the unit- it is always leaking now. Empty reservoir or not, whatever is left in the unit is draining out when off. Also, it was very quiet when new (not that I cared), but is now quite a bit louder. Sounds like others are having better luck with these. Maybe I can find something made in Europe that will work properly and last more than a few months. It's unfortunate that these things have a planned obsolescence and are expected to maybe last the duration of the warranty, then tossed and repurchased. Good for them, bad for us. Update 09/05/23- well it lasted 9 months. After leaking all over the place and getting the 1st one replaced as defective, this one died. Won't pump anymore. Others seem to be having better luck, but ever since Philips bought the Sonicare brand, their quality has gotten worse (but I'm sure they made the stock go up!). Read more

★★★★★

does not work

Georjean AllenbachDecember 27, 2025✓ Verified purchase

it suddenly stopped working, what is wrong? Read more

★★★★★

does a good job

SlyDecember 5, 2024✓ Verified purchase

I would advocate this product as an adjunct to normal brushing and flossing. I dont think it replaces either, but would help overall. It takes minute to get used to it and maneuver the instrument. You will make a mess of it the first few uses, then you get the hang. I like the adjustability, the east of use, and the overall function of the machine. It's not noisy. I do wish the cord was a foot longer as it is stretched to the max to reach my sink. I think the best thing about it is that it does a good job on the far back molars that are hard to get floss around. I like the pulsating feature with you can use as a guide tooth to tooth. I do find that I am not done using it when the reservoir runs out and I have to refill it. But that is just me. I also discovered that you do not want to use very cold water. Warm it a bit and it's much more comfortable. I like to add a capful of mouthwash to the reservoir water, remembering to fully rinse it out and run the machine until clear when I am done. My only concern is replacement heads. They are available on Amazon and the instructions say to replace them every 6 months. Other than that, I am pleased to add this to my routine of oral care. Read more

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