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.

1 hour ago
2