# COSLUS E40 Water Flosser 10 Settings 🦷

Improved interdental cleaning for travel with COSLUS E40 water flosser, 10 pressure settings and 300ML tank for braces and sensitive gums.

- [Original product page](https://www.ofertitastop.com/us/product/coslus-e40-water-flosser-10-settings)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-10-15T20:43:47.007Z
- Category: Health & Beauty > Health Care > Biometric Monitor Accessories > Blood Glucose Meter Accessories > Blood Glucose Control Solution
- Source store: amazon US
- Active deal: Yes
- Price: 39.99 USD
- Previous price: 44.99 USD
- Rating: 4.4 / 5
- Reviews: 5242

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## Description

This portable water flosser tackles the daily hassle of interdental cleaning by offering adjustable pressure and targeted tips for sensitive gums and braces. If you need a travel-friendly solution that cleans efficiently, the **portable water flosser for travel** design and a large tank help reduce refills while keeping routines simple.

## Key features

The design balances power and comfort, with a stepless dial that lets you shift through **10 pressure settings** smoothly and one-handed, just like adjusting your phone volume. It uses patented **dual-flow technology** to broaden coverage and improve debris removal, which helps with stains and interdental deposits. If you prioritize longer battery life, this model can deliver up to 30 days per full charge under light use, and if you prefer a compact device, its cordless profile and USB fast charging make it easy to pack for trips. 🧳

## Technical overview

- Name: **COSLUS E40**
- Capacity: 300ML
- Type: Cordless water flosser
- Battery life: Up to 30 days based on 1-2 daily uses
- Waterproof: IPX7

## Who it’s for

You’ll appreciate it if you want precise control over cleaning intensity and a device that adapts to braces, sensitive gums, or shared family use. The variety of nozzles includes standard, orthodontic, and periodontal tips which support targeted cleaning for different needs. It’s a great fit if travel, ease of charging, and a larger water reservoir matter in your routine. It may not suit you if you need a flosser with a permanently attached power adapter or prefer a countertop unit with an integrated charging base, as the adapter is not included and the design favors portability.

## Practical tips

Use the stepless dial to start at a low pressure and increase gradually to find what feels comfortable for your gums. For orthodontic care, switch to the orthodontic tip and aim the stream at a slight angle to reach under brackets and along the gumline. Keep the tank topped up between sessions to avoid interruptions during a full-mouth clean. The device is made from BPA-free materials and rated **IPX7 waterproof**, so short use in wet environments is supported. 🦷🔋.

## Images

![COSLUS E40 Water Flosser 10 Settings 🦷 — 1](https://www.ofertitastop.com/i/saBDUtefnCh88tvDVcmXJKOk5LCpchAlcovl5Ar2t9djQ3u81zaaw3q_SvXjaeufVHaJRxn3HrZqItf_WPSa9GVYS48uiVJgJZdQe9ADyiMsvUXBOO6GJP6OGA.jpg)

![COSLUS E40 Water Flosser 10 Settings 🦷 — 2](https://www.ofertitastop.com/i/Gaf4HoLwf6D8jL6wZ3rm76YCUsxGuctEMncXT4Fs9s5fsFA3C2igbso0qZ4Pr2EeiWSb1yRxaKEwpCXKWXp-k-ngd1NVeOgtUIxAVeKSWBcaqXBd5kEYOc5uYQ.jpg)

![COSLUS E40 Water Flosser 10 Settings 🦷 — 3](https://www.ofertitastop.com/i/NZ4Gg7rCKmZhHdBut0rYxLEse1egiYz9aGwJZAoHBIhLwC5rLNtF0Ciml1mAFJVHY6lmxz_aSEqwehTrIoUUPf_OlHujHlKovXNiXfyxnZAFLYDxQNlN7GOAYg.jpg)

![COSLUS E40 Water Flosser 10 Settings 🦷 — 4](https://www.ofertitastop.com/i/M-gxpYKt3NTId-baPk-9ipOYNBlevfJpJ7XMiM5j-CrFHgos6caQJp7lqykzHQ3XpoAmYYNmzXoe5ty89HSBnmY024iRdr235KhQW01IU4ft8eyC7mNQ6Ny7Gg.jpg)

![COSLUS E40 Water Flosser 10 Settings 🦷 — 5](https://www.ofertitastop.com/i/RurOdq4qmT0gFs3_YZeKjpnzPb-GbXJrNlSU5yH5RdEm_gtgdr0MBbaLJ402lcjdCdfHlFizy_cfvGWMQeYQpa8ccgvHKJtQu6zg2ejQP1Hqrnib8Bo6CWtbrQ.jpg)