--- product_id: 692286084 title: "COSLUS E40 Water Flosser, 10 Pressure Levels, Easy to Use, Pink" brand: "coslus" price: "$245.36" currency: USD in_stock: true reviews_count: 5 url: https://www.desertcart.us/products/692286084-coslus-e40-water-flosser-10-pressure-levels-easy-to-use store_origin: US region: United States of America --- # IPX7 waterproof for shower use 10 pressure levels for tailored clean 30-day battery life on single charge COSLUS E40 Water Flosser, 10 Pressure Levels, Easy to Use, Pink **Brand:** coslus **Price:** $245.36 **Availability:** ✅ In Stock ## Summary > 💦 Elevate your oral care game—because your smile deserves the best! ## Quick Answers - **What is this?** COSLUS E40 Water Flosser, 10 Pressure Levels, Easy to Use, Pink by coslus - **How much does it cost?** $245.36 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/692286084-coslus-e40-water-flosser-10-pressure-levels-easy-to-use) ## Best For - coslus enthusiasts ## Why This Product - Trusted coslus brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable & Waterproof:** IPX7 rating means safe use in the shower and a lifespan twice as long as competitors for worry-free daily care. - • **Professional-Grade Clean:** Patented dual-flow tech removes 3x more stains than traditional flossers, backed by U.S. dental experts. - • **Travel-Ready Portability:** Cordless, compact design with USB fast-charging keeps your smile fresh anywhere, anytime—up to 30 days per charge. - • **Precision Pressure Control:** Stepless dial lets you customize water flow from gentle to powerful without interrupting your routine. - • **Family-Friendly Versatility:** Includes multiple nozzles for braces, sensitive gums, and deep cleaning—perfect for every smile in your household. ## Overview The COSLUS E40 Water Flosser offers 10 adjustable pressure levels with a smooth stepless dial, a 300ml tank, and multiple specialized nozzles for personalized, professional-grade oral care. Its cordless, IPX7 waterproof design and 30-day battery life make it ideal for home, office, and travel use. Developed with dental expert certification and BPA-free materials, it delivers up to 3x more stain removal and long-lasting durability, catering to all ages and dental needs. ## Description Emily's Confident Smile Journey with COSLUS Water Flosser​​ As a busy dental hygienist and part-time traveler, Emily knew the struggle of maintaining oral care with braces. Traditional flossing felt impossible, and her sensitive gums often bled after using her old water flosser’s harsh settings. That changed when she discovered the ​​COSLUS Portable Water Flosser​​—her new smile ally. ​​Morning Routine: Gentle Care for Sensitive Gums​​ Emily starts each day with the COSLUS’s gentle pressure setting (Level 1). Unlike her previous device, which left her gums stinging, COSLUS’s 10-level adjustable dial lets her customize power without interrupting her routine. She appreciates the one-handed design—perfect for multitasking moms like her. “I can clean thoroughly even while holding my toddler,” she shares. ​​Orthodontic Confidence: Tackling Braces with Ease​​ Her braces made food traps a nightmare. With COSLUS’s included orthodontic nozzle, she targets debris between brackets effortlessly. The medium-high pressure (Levels 4-6) dislodges stubborn plaque without irritation. “I finally feel in control of my ortho care,” she says. Her dentist, who recommended COSLUS for its professional-grade safety standards, notes her gums are healthier than ever. ​​Travel-Ready: No Compromises on the Go​​ Last month’s conference in New York tested Emily. COSLUS’s cordless, IPX7 waterproof design fit seamlessly into her travel kit. A quick USB charge kept it running for 30 days. “I even used it in the hotel shower—no plugs needed!” she laughs. Colleagues admired its sleek size, and she gifted a spare nozzle to a friend with receding gums. ​​Family Sharing: Safe for All Ages​​ Emily’s teen daughter, Lily, struggles with braces too, while her dad has sensitive gums. COSLUS’s multiple nozzles (standard, periodontal, ortho) let them each personalize their routine. “Dad loves the gentle mode; Lily uses the braces tip. No more fighting over our old flosser!” Plus, its BPA-free materials ease her eco-conscious mind. ​​Why Emily Trusts COSLUS:​​ ​​Proven Results​​: Her hygienist notices 50% less plaque buildup since she switched. ​​Durability​​: Even after accidentally dropping it in the sink, it works perfectly. ​​Peace of Mind​​: “Knowing it’s dentist-approved and BPA-free makes all the difference.” For Emily, COSLUS isn’t just a tool—it’s freedom. Whether battling braces, exploring new cities, or caring for her family, she smiles knowing her oral health is in expert hands." Review: Difficult to clean but great water flosser! - I bought the COSLUS ADA Accepted E40 Water Flosser about a year ago and after a year of consistent use, I can confidently say that this water flosser has far exceeded my expectations. The many different tips make it very versatile and great for orthodontic work if needed. the size makes it easily portable and the tank is easy to refill. My only complaint is that the openings of the tank are small so I cannot get in to clean it as well as I'd like. The different settings are great on the tender spots that need a bit more care and it seems to have held up well over the year I've had it. Durable, gentle, easy to use... definitely worth the price. Review: Fresh smile - Love it ## Features - Advanced 10 Pressure Settings for Personalized Cleaning: This cordless and portable water flosser features 10 precise pressure levels, allowing users to easily adjust the water flow to match their unique oral sensitivity and cleaning preferences. Whether you have braces, orthodontic appliances, sensitive gums, or are buying for kids, teens, adults, women, men, or seniors—this flosser is designed to suit everyone in the family. The innovative stepless dial control works just like adjusting your phone’s volume, enabling smooth, one-handed pressure changes from level 1 to 10. Fine-tune the water pressure in real time without pausing your routine, for a truly comfortable cleaning experience - Professional Research, Trusted Quality:​​ Developed over six years by the COSLUS professional research team and professionally certified by a team of U.S. dental experts, this product utilizes the latest patented dual-flow technology to deliver enhanced cleaning power and broader coverage. It effectively removes up to three times more dental stains while meeting the needs of most users. The entire device is constructed with BPA-free safety-certified materials, delivering a truly scientific, safe, and long-lasting oral care experience - Ideal For Travel​​: This cordless water flosser features a compact, portable design, making it ideal for daily home use, office work, travel, and business trips. Equipped with a high-performance battery, a single charge provides up to 30 days of continuous use (based on 1-2 daily uses). The included USB fast-charging port ensures effortless maintenance of oral health routines both at home and on the go - Customizable Nozzle System: Comes with a variety of functional nozzles—including standard, orthodontic, and periodontal tips—to meet the needs of different users. Whether you wear braces, have sensitive gums, or seek deep cleaning, you’ll enjoy a targeted and comfortable oral care experience. Equipped with a 300ML large-capacity water tank, which allows for longer use without frequent refilling, making it more suitable for thorough, full-mouth cleaning and an efficient flossing experience. Supports multi-user sharing, making it especially ideal for family use and daily oral care routines - ​IPX7 Waterproof & Long-Lasting Durability:​​ Our portable water flossers for teeth feature an IPX7 waterproof design, making them convenient to use even in the shower. The upgraded motor delivers reliable, efficient, and steady water flow, ensuring ​​effective removal of 3x more surface stains than traditional flossers​​. With a lifespan twice as long as other products, it effortlessly handles daily use and routine cleaning, ensuring a more comfortable user experience. Multiple pressure settings cater to the needs of different groups—including men, women, and the elderly—providing a gentle yet effective cleaning experience - Note: Adapter is not included to avoid wasting resources, but you can charge it using any 5V adapter on hand. If need, get from COSLUS. NOTES: Packaging may vary (new or old), but the contents are exactly the same ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D7VK6DNL | | Additional Features | Multiple Operation Modes, Multiple Pressure Settings, Multiple Tips, Battery Indicator, Display Screen, Rotatable Tip, Non-Slip Grip, Noiseless, Portable, Cordless, Rechargeable | | Best Sellers Rank | #98,673 in Health ( See Top 100 in Health ) #368 in Power Flossers & Oral Irrigators | | Brand | COSLUS | | Brand Name | COSLUS | | Color | Pink | | Colour | Pink | | Customer Reviews | 4.4 out of 5 stars 492 Reviews | | Item Dimensions | 23.8 x 8.5 x 6 centimeters | | Manufacturer | COSLUS | | Manufacturer Part Number | E40 | | Manufacturer Warranty Description | 1-year warranty, 24-hour after-sales service, Free 30-day refund / replacement | | Material Type | Plastic | | Model Name | WFP14 | | Model Number | E40 | | Power Source | Battery Powered | | Power source | Battery Powered | | Product Benefits | Gum Health | | Product benefits | Gum Health | | Recommended Uses For Product | Brace Cleaning, Daily Cleaning, Deep Cleaning, Family Care, Gum Care, Home, Office, Orthodontic Care, Plaque Removal, Food Debris Cleaning, Efficient Cleaning, Tight Teeth, Sensitive Gums, Teeth Cleaning, Whiten Teeth | | Special features | Multiple Operation Modes, Multiple Pressure Settings, Multiple Tips, Battery Indicator, Display Screen, Rotatable Tip, Non-Slip Grip, Noiseless, Portable, Cordless, Rechargeable Special features Multiple Operation Modes, Multiple Pressure Settings, Multiple Tips, Battery Indicator, Display Screen, Rotatable Tip, Non-Slip Grip, Noiseless, Portable, Cordless, Rechargeable See more | | Specification Met | IPX7, FCC, BPA free, ETL | | Tank Volume | 300 Milliliters | | Target Use Body Part | Teeth | | Unit Count | 1.0 Count | | Unit count | 1.0 Count | ## Product Details - **Brand:** COSLUS - **Power source:** Battery Powered - **Product benefits:** Gum Health - **Unit count:** 1.0 Count ## Images ![COSLUS E40 Water Flosser, 10 Pressure Levels, Easy to Use, Pink - Image 1](https://m.media-amazon.com/images/I/714TSMmYvrL.jpg) ![COSLUS E40 Water Flosser, 10 Pressure Levels, Easy to Use, Pink - Image 2](https://m.media-amazon.com/images/I/71zEH1kWPiL.jpg) ![COSLUS E40 Water Flosser, 10 Pressure Levels, Easy to Use, Pink - Image 3](https://m.media-amazon.com/images/I/71f1WVppNSL.jpg) ![COSLUS E40 Water Flosser, 10 Pressure Levels, Easy to Use, Pink - Image 4](https://m.media-amazon.com/images/I/71XJiDp4IjL.jpg) ![COSLUS E40 Water Flosser, 10 Pressure Levels, Easy to Use, Pink - Image 5](https://m.media-amazon.com/images/I/71aDHiv1Z+L.jpg) ## Questions & Answers **Q: The product details mention an upgraded patented stepless speed regulation. How does it different from other models?** A: The new water dental flosser has a 1 to 10 rotary dial that can be easily changed **Q: How long does it last on a single charge?** A: One charge lasts for 30 days, making it very convenient for travel and business trips. **Q: Where can I get replacement nozzles?** A: You can find it on the product details page. When I bought the flosser before, I bought the nozzle by the way. It is very suitable and it is the original accessory. **Q: Is the charging adapter included in the package?** A: Note: Adapter is not included to avoid wasting resources, but you can charge it using any 5V adapter on hand. If need, get from COSLUS **Q: Is its water pulse intensity adjustable for sensitive gums?** A: This newly developed stepless speed regulation water dental flosser features 10 levels of smooth control, allowing you to freely adjust the pressure find the setting that suits you best. It's designed to be suitable for everyone. ## Customer Reviews ### ⭐⭐⭐⭐ Difficult to clean but great water flosser! *by O***I on 28 August 2026* I bought the COSLUS ADA Accepted E40 Water Flosser about a year ago and after a year of consistent use, I can confidently say that this water flosser has far exceeded my expectations. The many different tips make it very versatile and great for orthodontic work if needed. the size makes it easily portable and the tank is easy to refill. My only complaint is that the openings of the tank are small so I cannot get in to clean it as well as I'd like. The different settings are great on the tender spots that need a bit more care and it seems to have held up well over the year I've had it. Durable, gentle, easy to use... definitely worth the price. ### ⭐⭐⭐⭐⭐ Fresh smile *by S***Y on 17 September 2026* Love it ### ⭐⭐⭐⭐⭐ Easy to use *by K***R on 5 September 2026* Easy to work and to store away when company comes over. I love this. ## Frequently Bought Together - COSLUS Water Dental Flosser Teeth Pick: Portable Cordless Oral Irrigator 300ML Rechargeable Travel Irrigation Cleaner IPX7 Waterproof Electric Flossing Machine for Teeth - COSLUS Electric Toothbrush for Adults and Teen: Wireless Rechargeable Tooth Brush for Adult and Teen Youth with Portable Travel Case, 5 Modes 47000 VPM Power Toothbrushes 6 Brush Heads Pink - COSLUS Water Dental Flosser Pick for Teeth: 4 Modes Cordless Portable 300ML Larger Tank Water Teeth Cleaner IPX7 Waterproof Flossing Cleaning Picks for Home Travel FC5360 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/692286084-coslus-e40-water-flosser-10-pressure-levels-easy-to-use](https://www.desertcart.us/products/692286084-coslus-e40-water-flosser-10-pressure-levels-easy-to-use) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-10-01*