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Red_Liz | Staff 3.1K Views
Oct 28, 2026 5:07 PM

COSLUS 300ml Cordless Rechargeable Water Dental Flosser (Black)

$8.00

$36

77% off
+ Free S&Hat Amazon
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Deal Details
Awn Tss via Amazon has COSLUS 300ml Cordless Rechargeable Water Dental Flosser (Black, Professional Set) on sale for $35.98 - $27.99 when you appply promo code GH5RE1VK at checkout = $7.99. Shipping is free.
  • Note: You must be logged in to clip coupons and apply promo codes; some codes may not apply consistently.
Thanks to Staff Member Red_Liz for sharing this deal.

Details:
  • COSLUS C20 cordless water flosser; ADA Scientific Council Accepted (as stated)
  • Dual-thread 0.3 mm + 0.3 mm water pulse; 1400–1800 pulses/min; multiple modes and pressure settings including Soft
  • 300 ml tank; 5 interchangeable tips
  • Rechargeable battery; 3-hour charge; stated 30-day use; USB cable included; 5V USB-A adapter not included
  • IPX7; shower-safe
  • First use: Soft mode with mouth closed; packaging may vary, contents the same

Editor's Notes

Written by Neo45 | Staff
  • At the time of this posting, our research indicates that this is $18.96 lower than the next best comparable online prices starting from $26.95.
  • This price matches previous Frontpage Deal for this item.
  • Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
  • If you're not a student, there's also a free 1-Month Amazon Prime trial available.

Original Post

Written by Red_Liz | Staff
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Awn Tss via Amazon has COSLUS 300ml Cordless Rechargeable Water Dental Flosser (Black, Professional Set) on sale for $35.98 - $27.99 when you appply promo code GH5RE1VK at checkout = $7.99. Shipping is free.
  • Note: You must be logged in to clip coupons and apply promo codes; some codes may not apply consistently.
Thanks to Staff Member Red_Liz for sharing this deal.

Details:
  • COSLUS C20 cordless water flosser; ADA Scientific Council Accepted (as stated)
  • Dual-thread 0.3 mm + 0.3 mm water pulse; 1400–1800 pulses/min; multiple modes and pressure settings including Soft
  • 300 ml tank; 5 interchangeable tips
  • Rechargeable battery; 3-hour charge; stated 30-day use; USB cable included; 5V USB-A adapter not included
  • IPX7; shower-safe
  • First use: Soft mode with mouth closed; packaging may vary, contents the same

Editor's Notes

Written by Neo45 | Staff
  • At the time of this posting, our research indicates that this is $18.96 lower than the next best comparable online prices starting from $26.95.
  • This price matches previous Frontpage Deal for this item.
  • Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
  • If you're not a student, there's also a free 1-Month Amazon Prime trial available.

Original Post

Written by Red_Liz | Staff

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10 Comments

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Oct 30, 2026 2:03 AM
4 Comments
Joined Oct 2008
mkhowardOct 30, 2026 2:03 AM
4 Comments
Code don't work
Oct 30, 2026 2:06 AM
4 Comments
Joined Oct 2008
mkhowardOct 30, 2026 2:06 AM
4 Comments
Quote from mkhoward View quoted comment :
Code don't work
Worked 2nd time
Oct 30, 2026 2:18 AM
649 Comments
Joined Oct 2017
sbessireOct 30, 2026 2:18 AM
649 Comments
Worked just fine
Oct 30, 2026 2:54 AM
14.9K Comments
Joined Dec 2005
ScottoDonoOct 30, 2026 2:54 AM
14.9K Comments
Worked right away. Anyone know how this compares to Wellleo?
Oct 30, 2026 3:02 AM
524 Comments
Joined Aug 2017
nhatanh181Oct 30, 2026 3:02 AM
524 Comments
Bought one in july, stop working after 3 months. I guess i buy another with this price.
Oct 30, 2026 7:46 PM
1 Comments
Joined Sep 2018
D4NNNOct 30, 2026 7:46 PM
1 Comments
worked for me
Oct 31, 2026 9:23 AM
2 Comments
Joined Jan 2025
HonestPenguin6570Oct 31, 2026 9:23 AM
2 Comments
GH5RE1VK. Thnk you boss it dropped the price to 8 dollars

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Yesterday 1:17 AM
8.1K Comments
Joined Mar 2005
flangomangoYesterday 1:17 AM
8.1K Comments
Got 2 last time, it's cheaper now

Still working
Today 12:57 PM
28 Comments
Joined Oct 2017
xBosskxToday 12:57 PM
28 Comments
Worked for me.
Today 1:29 PM
2 Comments
Joined Jan 2014
NeatGeekToday 1:29 PM
2 Comments
Code still working!

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