Coslus · Updated July 2026
Coslus C20 Water Flosser (F5020E): price, specs & release date
Coslus C20 Water Flosser (F5020E), released 2022. Every price and spec below is linked to its source and dated — no guesses.
Source: coslus.com verified ✓ corroborated verify in ledger
The Coslus C20 Water Flosser (F5020E) is listed at $42.99 on coslus.com as of 2026-07-27, #2 cheapest of 11 water flossers (median $79.99); other retailers may be lower. It earns a Silver Deskmark — 68/100 pay-blind standing, #3 of 10 in class.
Verified Jul 27, 2026 · figures linked to their source in the table below
Price history
$42.99Is the Coslus C20 Water Flosser (F5020E) a good buy?
At $43, the Coslus C20 Water Flosser (F5020E) is #2 cheapest of the 11 water flossers we track, where the median is $89.99. On the spec sheet, its pressure settings of 3 is the lowest of the 11, its release of 2022 is the highest of the 7, and its max pressure of 120 psi is above the median of the 10.
Specifications
| Price (US) | $42.99 — current on record (was $36.99) |
|---|---|
| Brand | Coslus |
| Released | 2022 |
| Type | cordless |
| Tank capacity (ml) | 300 |
| Pressure settings | 3 |
| Max pressure (psi) | 120 |
| Tips included | 5 |
| Power | rechargeable |
| Runtime min | 1 |
Source: coslus.com (verified 2026-06-19) · corroborated by amazon.com. Re-verified on official coslus.com page: 300 ml tank, 3 pressure modes (Soft/Clean/Comfort), 5 tips (2 standard jet, 1 orthodontic, 1 periodontal pocket, 1 tongue scraper), ~60 s runtime, 30-day battery. PRICE CORRECTED 42.99 -> 36.99 (official regular price). Max ~120 PSI and IPX7 per product specs/MedGrade. Release ~2022 per Amazon ASIN B0BJ1H89KV (Sept 2022).
Is the Coslus C20 Water Flosser (F5020E) worth it vs cheaper water flossers?
Coslus C20 Water Flosser (F5020E) against its closest cheaper and pricier water flossers on the specs that matter — every value sourced. See all 11 ranked
| Product | Price | Type | Tank capacity (ml) | Pressure settings | Max pressure (psi) | Tips included |
|---|---|---|---|---|---|---|
| Coslus C20 Water Flosser (F5020E) this | $42.99 | cordless | 300 | 3 | 120 | 5 |
| Bitvae C2 Water Flosser | $26 | cordless | 300 | 3 | 110 | 6 |
| h2ofloss HF-9 | $43.9 | countertop | 800 | 5 | 110 | 13 |
Frequently asked questions
How much does the Coslus C20 Water Flosser (F5020E) cost?
The Coslus C20 Water Flosser (F5020E) has a US price of $42.99, as of 2026-07-27.
How does the Coslus C20 Water Flosser (F5020E) compare on price?
At $43, the Coslus C20 Water Flosser (F5020E) is #2 cheapest of the 11 water flossers we track, where the median is $89.99.
Has the Coslus C20 Water Flosser (F5020E)'s price dropped?
No — since 2026-06-27 the Coslus C20 Water Flosser (F5020E) has risen 16.2%, from $36.99 to $42.99; the lowest we have recorded is $36.99 (2026-06-27).
What is the lowest price the Coslus C20 Water Flosser (F5020E) has been?
The lowest we have recorded for the Coslus C20 Water Flosser (F5020E) is $36.99 on 2026-06-27.
Is now a good time to buy the Coslus C20 Water Flosser (F5020E)?
The Coslus C20 Water Flosser (F5020E) is currently $42.99; the lowest we have recorded is $36.99 (2026-06-27). Every price is dated, so you can judge it against its own history.
When was the Coslus C20 Water Flosser (F5020E) released?
The Coslus C20 Water Flosser (F5020E) was released 2022.
What are the Coslus C20 Water Flosser (F5020E)'s key specs?
Coslus C20 Water Flosser (F5020E) (Coslus): type cordless, tank capacity ml 300, pressure settings 3, max pressure psi 120, tips included 5. Full sourced spec sheet verified 2026-06-19.
Price of record: $42.99 at coslus.com, 2026-07-27. Other retailers may be lower — check the current price:
Check current price at amazon.com As an Amazon Associate we earn from qualifying purchases.Similar water flossers
Nearest in price — swipe to browse. Every pick sourced and dated.
All water flossers ranked · Open data & methodology · Queryable via MCP
Compare with
Head-to-head
- Coslus C20 Water Flosser (F5020E) vs Waterpik Aquarius WP-660
- Coslus C20 Water Flosser (F5020E) vs Philips Sonicare Power Flosser 3000 HX3806
- Coslus C20 Water Flosser (F5020E) vs BURST Water Flosser
- Coslus C20 Water Flosser (F5020E) vs Bitvae C2 Water Flosser
- Coslus C20 Water Flosser (F5020E) vs Nicwell Water Flosser F5025
- Coslus C20 Water Flosser (F5020E) vs h2ofloss HF-9
- Coslus C20 Water Flosser (F5020E) vs Panasonic EW1511
Cheaper water flossers
Step up
- h2ofloss HF-9 $43.9
- Nicwell Water Flosser F5025 $59.99
- BURST Water Flosser $69.99
- Waterpik Ultra Plus WP-150 $79.99
- Waterpik Aquarius WP-660 $99.99
- Waterpik Cordless Advanced 2.0 WP-580 $99.99
Part of the Personal care cluster
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