COSLUS C51 Portable Water Flosser
for Teeth: 3 Modes & 6 Pressure Settings with Jet Mode Water Dental Pick for Orthodontic, Braces, Sensitive…
Price as of 2026-06-02. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$17–$27← You are here
- Mid-range:$27–$74
- Premium:$74+
Is This Right For You?
- •Budget-conscious shoppers — priced below 76% of Water Flossers
- •Those who want a top-rated option — in the top 16% of Water Flossers by rating
- •COSLUS loyalists — the brand spans 25 products in our database
📊 Based on data analysis of 58 products in this category.
Mubboo Score: B+
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other Water Flossers
Computed from live Amazon rating, review count, and price across 58 Water Flossers available to US consumers · last refreshed 2026-06-02.
How It Compares
This Product COSLUS C51 Portable Water Flosser | Most Popular Waterpik Cordless Express Water Flosser | Best Rated FlossJet Water Dental Flosser Cordless Oral Irrigator | Best Value Leominor Water Dental Flosser | |
|---|---|---|---|---|
| Price | $25.99 | $37.97 | $18.99 | $18.99 |
| Rating | 4.5/5 | 4.2/5 | 4.5/5 | 4.2/5 |
| Reviews | 1,460 | 49,616 | 9,704 | 5,934 |
| Mubboo Score | B+ | A- | A | A- |
Expert Picks in Water Flossers
- Waterpik Ion — Best countertop water flosser
- Waterpik Aquarius — Effective but bulkier
- Philips Sonicare Power Flosser 3000 Cordless — Best cordless water flosser
- Waterpik Cordless Express — Budget cordless water flosser
- Waterpik Ion — Best water flosser overall
- AquaSonic Precision Rechargeable — Best cordless water flosser
- Waterpik Aquarius — Best water flosser for braces
- Guru Nanda Advanced Water Flosser 3.0 with UV — Best budget water flosser
Category recommendations from independent expert publications. Source links in References.
Related Video Reviews
Key Features
- ✦Product Upgrade Notice:To enhance charging efficiency, we are transitioning from USB to Type-C cables. Please confirm you have a compatible Type-C power source before purchase. Cha…
- ✦ADA Accepted, Upgraded Portability Built-In Nozzle Storage & Lightweight: The COSLUS C51 portable water flosser stores two nozzles securely inside its compact body—always organized…
- ✦3 Modes & 6 Pressure Settings for Your Family's Oral Health: This COSLUS C51 water dental pick total provides 18 tailored options, which means each family member enjoys a mode and …
- ✦Upgraded Jet Mode for Customized Comfort: Designed with an intuitive press-to-clean mechanism, this cordless water flosser is ideal for beginners, travelers, and busy professionals…
- ✦Advanced Safety & Reliability Performance: Meticulously developed by the COSLUS R&D team, this COSLUS C51 oral irrigator is committed to creating high-performance and safety standa…
Source: product listing on Amazon.
About COSLUS
- 25 products in our database
- Average rating: 4.4/5 across all products
- Price range: $9.99 – $49.99
- Categories: dental-floss-and-picks, Electric Toothbrushes, Facial Cleansing Brushes, Nail Polish, tools-and-accessories, toothbrushes-and-accessories
If not the C51 Portable Water Flosser, consider these
Bottom Line
COSLUS C51 Portable Water Flosser earns Mubboo Score B+. Priced at $26 — a budget-friendly option, below the category average of $56. Rated 4.5/5 from 1,460+ reviews. Strong buy if: budget-conscious shoppers, those who want a top-rated option.
Frequently Asked Questions
Is the COSLUS C51 Portable Water Flosser worth buying in 2026?
It earns a Mubboo Score of B+, with a 4.5/5 rating from 1,460 reviews — better than 84% of Water Flossers we track.
How much does the COSLUS C51 Portable Water Flosser cost?
It is currently $25.99 — budget-tier pricing for Water Flossers.
How does the C51 Portable Water Flosser compare to other Water Flossers?
The category's most-reviewed alternative is the Waterpik Cordless Express Water Flosser (4.2/5, 49,616 reviews, $37.97). The C51 Portable Water Flosser carries a Mubboo Score of B+ vs A-.
Sources & References
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-02) and may change.