Price: $99.99 - $79.99
(as of Apr 29, 2026 03:49:51 UTC – Details)
Product description
Note: Adapter is not included to avoid wasting resources, but you can charge it using any 5V DC adapter with USB-A port on hand. If need, get from COSLUS. Packaging may vary (new or old), but the contents are exactly the same.
1 300 ML Large Water Tank
2 IPX7 Waterproof
3 Protable for Travel
4 5 Different Jet Tips
5 How to Use
1
2 Effective Cleaning
3 Keep Gums Health
4 Perfect for Travel
Customer Reviews
4.4 out of 5 stars 236
4.4 out of 5 stars 3,030
4.5 out of 5 stars 2,705
4.5 out of 5 stars 739
4.4 out of 5 stars 1,966
4.2 out of 5 stars 982
Model
W40
T40
C30
C31
E2
E1
Water Tank
300ML
180ML
–
150ML
600ML
600ML
IPX7 Waterproof
✔
✔
✔
✔
✘
✔
Accessories
3+1
4+1
4+2
2+1
5
5
colors/patterns
White/Black
White/Pink/Black/Green
White/Pink/Black/Green/Purple
Pink/Blue
White/Black
White/Black
Why does the COSLUS water dental flosser only have three modes?
Developed over 3 years through extensive user testing, this flosser offers 3 simplified modes for ultimate ease of use. Suitable for all ages, from teens to seniors, it is built to deliver a premium lifespan of 3 years.
What is the intensity of the water pressure? Which mode should I choose?
This flosser features three pressure modes: high (Clean), medium (Message), and low (Soft). First-time users should start with the gentle Soft mode. Any initial gum bleeding is normal and should subside quickly as gums adapt.
Do you need to add water a lot during use?
No, this water tank has a upgrade super larger capacity of 300ml, cleaning for 2 minutes is enough.
Where can you get replacement tips?
Nozzle Replacement: For best results, replace every 3 months. Find accessories on our product page, website, and COSLUS store.
Does the package include the charging adapter?
The adapter is not included to avoid waste. You can charge it using any standard 5V adapter (like one from a phone or tablet). If needed, you can purchase a compatible adapter from COSLUS.
Product Dimensions : 9.05 x 3.46 x 2.28 inches; 14.25 ounces
Item model number : C20
Date First Available : September 22, 2022
Manufacturer : COSLUS
ASIN : B0BJ1H89KV
Best Sellers Rank: #218 in Health & Household (See Top 100 in Health & Household) #1 in Power Dental Flossers
Customer Reviews: 4.4 4.4 out of 5 stars (49,448) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Water Flossing Cleans Effectively for a Healthier Mouth: COSLUS C20 water flosser boasts advanced, safe, and effective 0.3mm+0.3mm ultra-fine dual-thread water pulse technology, developed and continually optimized by our research team over years of research and real user testing. This water dental pick delivers 1400-1800 high-pressure pulses per minute to target and dislodge plaque for a thorough clean. This water flosser also features multiple operation modes and multiple pressure settings to suit different oral conditions and users
BPA Free Upgraded 300ml Extra-Large Water Tank, No Need for Frequent Refills: COSLUS C20 water flosser features an upgraded 300ml water tank, twice the capacity of other old models, eliminating the need for frequent refills and making your oral cleaning more convenient and efficient
30 Days Super Long Battery Life, Portable Use Anywhere: COSLUS C20 water flosser boasts double the battery life of others with a powerful rechargeable battery and battery indicator. Just charge for 3 hours and enjoy 30 days of use. It’s compact and lightweight, perfect for home and travel use. This water dental pick comes with a USB cable making it an ideal travel kit. Benefit from an exceptionally long 30-day battery life, making it a truly portable solution for your convenience
IPX7 Waterproof and 3-Year Durability: COSLUS C20 wireless water dental pick boasts superior waterproofing, allowing easy cleaning and safe use during showers. Its upgraded motor delivers a more effective dual-stream water flow and is built to last for 3 years under typical use
Easy to Use and Gentle Safe: Through the dedicated research and iterative practical validation by our development team, COSLUS C20 water flosser provides multiple operation modes and pressure settings, with three convenient modes to suit the needs of different age groups, while ensuring optimal performance and longevity. Its ergonomic handle and five interchangeable tips ensure a comfortable and versatile experience
Note: a, Adapter is not included to avoid wasting resources, but you can charge it using any 5V DC adapter with USB-A port on hand. If needed, get from COSLUS. b, For first-time use, set to ‘Soft’ mode and keep your mouth closed to let your gums gradually adapt to the water pressure. c, Packaging may vary (new or old), but the contents are exactly the same.
