# Coslus C20 Water Flosser (F5020E): specs and price

**Price (US):** $42.99 at coslus.com, as of 2026-07-27. A sourced, dated price of record — other retailers (incl. Amazon) may be lower. Among the 11 water flossers we track it is #2 cheapest of 11; category median $79.99.
**Brand:** Coslus
**Released:** 2022
**Deskmark:** Silver Deskmark — pay-blind category standing 68/100, #3 of 10 in class (independent, computed from sourced data, never for sale).
**Price tracked since:** June 2026 (last change 2026-07-27: $36.99 → $42.99)

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $42.99 |
| 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 |

## Where it stands

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.

## Price over time

Since 2026-06-27, the Coslus C20 Water Flosser (F5020E)'s price has risen 16.2%, from $36.99 to $42.99. The lowest we have recorded is $36.99 (2026-06-27).

## 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.

Source: https://www.coslus.com/products/coslus-c20-water-dental-flosser (coslus.com, accessed 2026-06-19)
Corroboration: https://www.amazon.com/COSLUS-Water-Dental-Flosser-Teeth/dp/B0D1FXVDYC (accessed 2026-06-19)
Canonical: https://frontdeskreview.com/product/water-flossers/coslus-c20-f5020e/
Cite: Per The Front Desk Review, the Coslus C20 Water Flosser (F5020E) price of record was $42.99 as of 2026-07-27 — https://frontdeskreview.com/product/water-flossers/coslus-c20-f5020e/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl