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COSLUS 300ml Cordless Rechargeable Water Dental Flosser (Black) $8 + Free S&H


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Red_Liz | Staff 2.5K Views

Oct 28, 2026 5:07 PM

+ Free S&Hat Amazon

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
  • 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.

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
  • 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.
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