--- product_id: 505012421 title: "Waterdrop K19RF Replacement for K19-S and K19-H System, 12-Month Lifetime | 6 Stage Filtration, Long Filter Lifespan, Easy and Quick Filter Replacement, Countertop Reverse Osmosis Filter" brand: "waterdrop" price: "HK$1242" currency: HKD in_stock: true category: "Waterdrop" url: https://www.desertcart.hk/products/505012421-waterdrop-k19rf-replacement-for-k19-s-and-k19-h-system store_origin: HK region: Hong Kong --- # 12-month long filter lifespan 6-stage advanced filtration tool-free 3-second replacement Waterdrop K19RF Replacement for K19-S and K19-H System, 12-Month Lifetime | 6 Stage Filtration, Long Filter Lifespan, Easy and Quick Filter Replacement, Countertop Reverse Osmosis Filter **Brand:** waterdrop **Price:** HK$1242 **Availability:** ✅ In Stock ## Summary > 💧 Elevate your hydration game with pure, effortless refreshment! ## Quick Answers - **What is this?** Waterdrop K19RF Replacement for K19-S and K19-H System, 12-Month Lifetime | 6 Stage Filtration, Long Filter Lifespan, Easy and Quick Filter Replacement, Countertop Reverse Osmosis Filter by waterdrop - **How much does it cost?** HK$1242 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/505012421-waterdrop-k19rf-replacement-for-k19-s-and-k19-h-system) ## 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 - • **Microscopic precision:** 0.0001μm pore size traps nearly all impurities, ensuring premium water quality. - • **Fits your lifestyle & system:** Compatible with Waterdrop K19-S and K19-H countertop RO systems for instant upgrade. - • **Lasts a full year, no hassle:** Enjoy up to 12 months of fresh water with a filter designed for longevity and value. - • **Pure water, zero compromises:** 6-stage filtration removes heavy metals, PFAS, fluoride & more for crystal-clear hydration. - • **Replace in seconds, no tools needed:** Effortless filter swaps keep your routine seamless and stress-free. ## Overview The Waterdrop K19RF is a premium replacement filter for K19-S and K19-H reverse osmosis systems, featuring a 6-stage filtration process with a 0.0001μm membrane that removes contaminants like heavy metals, PFAS, and fluoride. Designed for a 12-month lifespan, it offers cost-effective, pure water with a quick, tool-free replacement process. ## Description desertcart.com: Waterdrop K19RF Replacement for K19-S and K19-H System, 12-Month Lifetime | 6 Stage Filtration, Long Filter Lifespan, Easy and Quick Filter Replacement, Countertop Reverse Osmosis Filter : Tools & Home Improvement ## Features - The K19RF replacement filter is compatible with Waterdrop K19-S, K19-H countertop reverse osmosis system - [Superior Filtration Performance] The innovative RO membrane is designed to reduce TDS, chromium, PFAS, fluoride, arsenic salt, iron, radium nitrate, calcium, particles, chloride, chlorine and heavy metals - [0.0001μm Pore Size] The superior RO membrane of the filter can intercept any impurities larger than 0.0001 micron. This means that it can trap most harmful substances in tap water - [Longer Service Life] Waterdrop adopts an advanced water filtration technology to extend the filter's lifespan. The filter can last at least 12 months. Spend only $0.2 a day and enjoy pure and fresh-tasting water anytime - [Easy Replacement] The 3-second filter replacement process requires no tools and any professional skills ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B253V5GT | | Best Sellers Rank | #34,262 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #233 in Replacement Under-Sink Water Filters | | Brand Name | Waterdrop | | Customer Reviews | 4.4 4.4 out of 5 stars (168) | | Included Components | K19RF Filter * 1, User Manual | | Item Weight | 1.76 Pounds | | Manufacturer | Waterdrop | | Material Type | PP Cotton & Carbon Fiber & Reverse Osmosis Membrane | | Model Name | WD-K19RF | | Model Number | WD-K19RF | | Part Number | WD-K19RF | | Unit Count | 299.0 Count | | Warranty Description | 1 Year Manufacturer and Seller Combination | ## Product Details - **Brand:** Waterdrop - **Included Components:** K19RF Filter * 1, User Manual - **Item Weight:** 1.76 Pounds - **Manufacturer:** Waterdrop - **Material:** PP Cotton & Carbon Fiber & Reverse Osmosis Membrane - **Model Name:** WD-K19RF - **Number of Items:** 1 - **Unit Count:** 299.0 Count ## Images ![Waterdrop K19RF Replacement for K19-S and K19-H System, 12-Month Lifetime | 6 Stage Filtration, Long Filter Lifespan, Easy and Quick Filter Replacement, Countertop Reverse Osmosis Filter - Image 1](https://m.media-amazon.com/images/I/51GIFUdINjL.jpg) ![Waterdrop K19RF Replacement for K19-S and K19-H System, 12-Month Lifetime | 6 Stage Filtration, Long Filter Lifespan, Easy and Quick Filter Replacement, Countertop Reverse Osmosis Filter - Image 2](https://m.media-amazon.com/images/I/51gMvmWgclL.jpg) ![Waterdrop K19RF Replacement for K19-S and K19-H System, 12-Month Lifetime | 6 Stage Filtration, Long Filter Lifespan, Easy and Quick Filter Replacement, Countertop Reverse Osmosis Filter - Image 3](https://m.media-amazon.com/images/I/81H16xWMYDL.jpg) ![Waterdrop K19RF Replacement for K19-S and K19-H System, 12-Month Lifetime | 6 Stage Filtration, Long Filter Lifespan, Easy and Quick Filter Replacement, Countertop Reverse Osmosis Filter - Image 4](https://m.media-amazon.com/images/I/71pG2LG25zL.jpg) ![Waterdrop K19RF Replacement for K19-S and K19-H System, 12-Month Lifetime | 6 Stage Filtration, Long Filter Lifespan, Easy and Quick Filter Replacement, Countertop Reverse Osmosis Filter - Image 5](https://m.media-amazon.com/images/I/71ghJoLSnTL.jpg) ## Questions & Answers **Q: How this single RO filter can replace the regular RO system that normally have 3 separate filtes. Is this certified by NSF?** A: Hi, Thanks for your interest in our product. "Rest assured that the K19 filter is a composite filter that combines the filtering materials of three separate filters into one. Their filtration performance is similar." If you have any other questions, please feel free to contact us. Enjoy the rest of your day! Kind Regards Mia Lauren　 Customer Service Rep ## Frequently Bought Together - Waterdrop WD-K19RF Filter, Replacement for WD-K19-S and WD-K19-H Countertop Reverse Osmosis System, 12-month Lifetime - 2024 All-New 4 in 1 Tds Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter - 0-9990ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums etc --- ## 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.hk/products/505012421-waterdrop-k19rf-replacement-for-k19-s-and-k19-h-system](https://www.desertcart.hk/products/505012421-waterdrop-k19rf-replacement-for-k19-s-and-k19-h-system) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-07-24*