--- product_id: 591474830 title: "Waterdrop C1S Countertop Reverse Osmosis System | Portable Reverse Osmosis Water Filter, Reduce PFAS, No Installation Required, BPA Free" brand: "waterdrop" price: "4736 zł" currency: PLN in_stock: true reviews_count: 13 url: https://www.desertcart.pl/products/591474830-waterdrop-c1s-countertop-reverse-osmosis-system-portable-reverse-osmosis-water store_origin: PL region: Poland --- # Corded electric power for consistent performance 6-stage RO filtration for ultra-pure water NSF/ANSI 372 lead-free certified safety Waterdrop C1S Countertop Reverse Osmosis System | Portable Reverse Osmosis Water Filter, Reduce PFAS, No Installation Required, BPA Free **Brand:** waterdrop **Price:** 4736 zł **Availability:** ✅ In Stock ## Summary > 💧 Elevate your hydration game with pure, portable perfection! ## Quick Answers - **What is this?** Waterdrop C1S Countertop Reverse Osmosis System | Portable Reverse Osmosis Water Filter, Reduce PFAS, No Installation Required, BPA Free by waterdrop - **How much does it cost?** 4736 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/591474830-waterdrop-c1s-countertop-reverse-osmosis-system-portable-reverse-osmosis-water) ## Best For - waterdrop enthusiasts ## Why This Product - Trusted waterdrop brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Long-Lasting Filter Life:** Enjoy up to 12 months of premium filtration without frequent replacements—effortless maintenance for busy pros. - • **Advanced 6-Stage Filtration:** Eliminates PFAS, heavy metals, and contaminants for water so pure, your health will thank you. - • **Certified Safety & BPA-Free:** Built with NSF/ANSI 372 lead-free materials and BPA-free components, ensuring every sip is safe and clean. - • **Compact & Portable Powerhouse:** Sleek 8.3" x 11.7" x 13.7" footprint fits any countertop, perfect for modern kitchens and on-the-go lifestyles. - • **Pure Hydration, No Installation:** Plug-and-play countertop design means zero hassle and instant access to clean water wherever you are. ## Overview The Waterdrop C1S Countertop Reverse Osmosis System delivers advanced 6-stage filtration certified to NSF/ANSI 372 standards, removing PFAS and contaminants without installation. With a 1.1-gallon capacity, 12-month filter life, and BPA-free materials, it offers a compact, plug-and-play solution for clean, safe drinking water powered by corded electric operation. ## Description Waterdrop CoreRO Countertop Reverse Osmosis Water Filter ## Features - [6-stage RO Filtration] Certified for safety with NSF/ANSI 372 lead-free material standard ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0CM9HRBG8 | | Best Sellers Rank | #243,667 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #419 in Under-Sink & Countertop Filtration | | Brand Name | Waterdrop | | Capacity | 1.1 gallons | | Container Type | Dispenser | | Customer Reviews | 4.0 4.0 out of 5 stars (418) 4.0 out of 5 stars | | Filter Life Cycle | 12 Months | | Included Components | C1S RO System, Replacement Filters, User Manual | | Installation Type | Countertop | | Item Dimensions L X W X H | 8.3"L x 11.7"W x 13.7"H | | Item Weight | 14 Pounds | | Lowertemperature Range | 41 Degrees Fahrenheit | | Manufacturer | Waterdrop | | Material Type | Reverse Osmosis Membrane & Carbon Block & PP Cotton | | Model Name | C1S | | Model Number | WD-C1S | | Operating Pressure Range | 100-240 Volts | | Other Special Features Of The Product | 6 Stage RO Filtration | | Part Number | WD-C1 | | Power Source | Corded Electric | | Purification Method | Reverse Osmosis | | Smart Home Compatibility | Not Smart Home Compatible | | Supported Water Tds Level Maximum Ppm | 500 | | Unit Count | 1.0 Count | | Upc | 840814171875 | | Upper Temperature Rating | 100 Degrees Fahrenheit | ## Product Details - **Brand:** Waterdrop - **Capacity:** 1.1 gallons - **Included Components:** C1S RO System, Replacement Filters, User Manual - **Installation Type:** Countertop - **Material:** Reverse Osmosis Membrane & Carbon Block & PP Cotton - **Package Information:** Dispenser - **Power Source:** Corded Electric - **Product Dimensions:** 8.3"L x 11.7"W x 13.7"H - **Purification Method:** Reverse Osmosis - **Special Feature:** 6 Stage RO Filtration, Portable Pure Water Tank, 3:1 Pure to Drain, NSF/ANSI 372 Certified ## Images ![Waterdrop C1S Countertop Reverse Osmosis System | Portable Reverse Osmosis Water Filter, Reduce PFAS, No Installation Required, BPA Free - Image 1](https://m.media-amazon.com/images/I/6135X0bcVNL.jpg) ![Waterdrop C1S Countertop Reverse Osmosis System | Portable Reverse Osmosis Water Filter, Reduce PFAS, No Installation Required, BPA Free - Image 2](https://m.media-amazon.com/images/I/71cgn4p0rvL.jpg) ![Waterdrop C1S Countertop Reverse Osmosis System | Portable Reverse Osmosis Water Filter, Reduce PFAS, No Installation Required, BPA Free - Image 3](https://m.media-amazon.com/images/I/71CnkcNCqdL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Amazing and so Useful *by on Reviewed in the United States July 10, 2026* What a tremendously positive difference to our routine!!! This is a compact device that doesn't have the huge footprint of most RO devices. We actually bought this primarily to filter the sodium out of our water that comes from our municipality. We do have a carbon block filter on our sink line that filters out the other bad stuff, but this filters out the high levels of sodium and any PFAS/PFOS remaining in our tap water. The results are amazing. PAY ATTENTION to the instructions when you first set it up, and make an entire morning or afternoon of it, ESPECIALLY if you have relatively high TDS. During the initial setup, you will have to empty and refill it at times, even if the feeder tank is not down to the full line. That is just part of the initial process. Once it indicates that it is ready, you won't have to replace the filter for a very long time. I set mine up in January and it is still running strong. This is fantastic value for the price and the water tastes better than any other filtered water I've ever had. Additional tips: measure your counter space before purchasing, and leave room to place a pitcher in front of it in case you want a lot of water at one time. Pick the feeder tank up from the handle AND the base in order to extend the life of the handle. When the water refill light goes on, always fill it before using it in order to extend the longevity of the overall product. Wait until the system stops humming before taking the feeder tank out to refill it. Hope you enjoy it as much as we do. ### ⭐⭐⭐⭐⭐ amazing *by on Reviewed in the United States August 4, 2025* Likes:- compact size- quiet operation- helpful setup interface- easy to use- water tastes greatI had a different RO system but apparently they quit selling filters for that model. I decided to go with a better known brand this time. The plastic feels a tad cheap but overall everthing is built well and works fine. I really liked how the machine walks you through the setup process to do it correctly. It also helps to read the well-written user manual. I plan to stay with this machine/brand indefinitely, as long as everything works well. ### ⭐ Be ware of defective unit *by on Reviewed in the United States February 22, 2024* First of all, I'm not someone who can't be pleased and cling to negative experiences or product reviews. For the majority of time I'm happy about my Amazon purchases, but lately have been really let down. This product came to my attention because of family member and friend's recommendation about water filer to ensure drinking water safety, as they know my son went through harsh medical treatment last year. I thought I bought it directly from the company who made WaterDrop products but frankly I'm not sure now. The setup is simple, but after numerous tries it just won't finish the flushing process. It stays on 50% forever and when I contacted tech support, they gave out one piece of solution every time, about 24 hours after my email, probably because they're overseas and there's a time difference. I told them this is a defect unit and asked for replacement but they just kept asking me to try fixing this and that. It shouldn't take this much efforts to get a countertop filer to work, it's not a complex piece of machine, and yet it's been sitting here for a week now. Besides this, I also received a glass jar that's broken during transit, a package of spice jars sent to the wrong address, all happened in two months of time, wake up Amazon! This is not the way business was done here before! Furious!Updates about this unit on 2/29: the company sent me a new unit which arrived on 27th, plugged in and it did the same thing: flushing to 50% then just stayed there. Someone called to videotaped the unit and status, offered to call me back later yesterday but never did. I emailed the company again today to complaint. As of now two defective units have taken up my counter space, I have carton boxes all over the floor because they expected me to ship them back if not working. Instead of being a solution to my drinking water quality they have created endless extra work for me!Updates about this purchase on 3/19: about two weeks ago I returned the first unit to Amazon and received the refund. The seller issued me a gift card to make up for my negative experience. They also provided me with free return labels to ship back the replacement unit. I informed them I will update my review to list the facts, but will not change the stars because I believe a product is supposed to be working in the first place to earn good reviews, and the seller is in agreement to that. I do hope that they will fix their production or technical issues to this won't happen to other customers. I am still in the market looking for a high quality countertop water filter to replace the pitcher I have used for many years. ## Frequently Bought Together - Waterdrop CoreRO Countertop Reverse Osmosis System, NSF/ANSI 58 & 372 Certified, 6-Stage, Portable Reverse Osmosis Water Filter, Reduce PFAS, No Installation Required, BPA Free, WD-C1S - Maxblue MB-PWT Pure Water Tank, BPA Free, 34 OZ, Portable Pure Water Tank for WD-C1S and WD-C1H Countertop Reverse Osmosis System - Waterdrop WD-C1RF Filter with RO membrane, Replacement for WD-C1S and WD-C1H Countertop CoreRO System, 12-month Lifetime --- ## 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.pl/products/591474830-waterdrop-c1s-countertop-reverse-osmosis-system-portable-reverse-osmosis-water](https://www.desertcart.pl/products/591474830-waterdrop-c1s-countertop-reverse-osmosis-system-portable-reverse-osmosis-water) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-07-21*