--- product_id: 206228271 title: "RF15 Water Filter Replacement for Waterdrop 15UA/15UB/15UC" brand: "waterdrop" price: "$105.35" currency: USD in_stock: true reviews_count: 13 category: "Waterdrop" url: https://www.desertcart.us/products/206228271-rf15-water-filter-replacement-for-waterdrop-15ua-15ub-15uc store_origin: US region: United States of America --- # 2-year/19,000 gal lifespan Multistage NSF-certified filtration 3-sec twist-lock install RF15 Water Filter Replacement for Waterdrop 15UA/15UB/15UC **Brand:** waterdrop **Price:** $105.35 **Availability:** ✅ In Stock ## Summary > 💧 Pure water, zero compromises—filter smarter, live better. ## Quick Answers - **What is this?** RF15 Water Filter Replacement for Waterdrop 15UA/15UB/15UC by waterdrop - **How much does it cost?** $105.35 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/206228271-rf15-water-filter-replacement-for-waterdrop-15ua-15ub-15uc) ## 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 - • **Effortless Twist & Lock:** Replace your filter in just 3 seconds—no tools, no mess, no downtime. - • **Versatile Compatibility:** Seamlessly fits Waterdrop 15UA, 15UB, and 15UC systems—under sink or fridge, your choice. - • **Certified Safety & Purity:** IAPMO-certified and BPA-free materials ensure every drop meets NSF/ANSI 42, 53, and 372 standards. - • **Next-Level Filtration Power:** 20X larger filtration area traps more contaminants, reducing lead, PFAS, chlorine, and odors. - • **Ultra-Long Life, Zero Hassle:** Enjoy up to 2 years or 19,000 gallons of pure water without frequent replacements. ## Overview The Waterdrop RF15 Replacement Filter is a premium, IAPMO-certified under-sink water filter compatible with Waterdrop 15UA, 15UB, and 15UC systems. Featuring a 2-year or 19,000-gallon lifespan, an innovative multistage filtration system that reduces lead, PFAS, chlorine, and odors, and a quick twist-and-lock design for tool-free replacement, it delivers clean, fresh water effortlessly while ensuring safety and convenience for modern homes. ## Description Buy Waterdrop RF15 Water Filter Replacement for Waterdrop 15UA/15UB/15UC | Reduces PFOA/PFOS, PFAS, Lead, Chlorine, Bad Taste & Odor, Under Sink Water Filter, NSF/ANSI 42 Certified, 2 Years: Replacement Under-Sink Water Filters - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Easy Replacement and Great Water Quality - This replacement filter was easy to install and fit my Waterdrop system perfectly. The replacement process was straightforward, and the water tastes noticeably cleaner and fresher. I like that it helps reduce unwanted taste and odor while providing filtered water directly from the sink. A convenient replacement option for regular filter maintenance. Overall, very happy with the quality and performance. Review: Excellent value, fit, and water quality! - Easy to change out, plus great tasting water! The filter also allows great pressure at the tap, What more could you ask for! ## Features - 【Compatible model】Compatible Replacement Filter for Waterdrop 15UA under sink water filter system (ASIN B083NR5DVY), 15UB under sink water filter system (ASIN B089CVMPGR) and 15UC Inline Water Filter for Refrigerator (ASIN B085G9T9TB). Compatible with all three methods of connection, this undersink filter brings you purified water from your original faucet, your dedicated faucet, or your refrigerator. Get easy access to clean, safe, and healthy purified water with Waterdrop! - 【Ultra-long service life】When used with municipal water, each Undersink Water Filter has a maximum service life of 2 years or 19,000 gallons.[1] - 【Solve Clogging Problem】 By upgrading the filtration area, our filter now provides a 20X increase in dirt adhesion area, enhancing filtration capability while minimizing the risk of clogging. - 【Innovative multistage filtration】The Waterdrop Undersink Water Filtration Replacement Filter uses innovative multistage filtration. And it can effectively reduces PFOA/PFOS, PFAS, lead, heavy metals, chemical impurity, sediment and other large particles.[2] Enjoy healthy and pure water straight from your tap – no need to buy bottled water anymore! - 【IAPMO certified filter】Made from premium BPA-free and lead-free materials, the under sink replacement filter is certified by IAPMO against NSF/ANSI 372 Standard, ensuring reliable use from inside to outside. Certified by IAPMO against NSF/ANSI 42 Standard, the water filter can effectively reduce chlorine, taste and odor. Tested by third party laboratory against NSF/ANSI 53 standard it can reduce lead. - 【Quick replacement】The twist-and-lock design of the undersink filter ensures that you can replace it in 3 seconds without any tools, saving you time and effort. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B085G78F7R | | Best Sellers Rank | #1,984 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #15 in Replacement Under-Sink Water Filters | | Brand | Waterdrop | | Brand Name | Waterdrop | | Compatible Water Purifier Models | Waterdrop WD-15UA, Waterdrop WD-15UB | | Customer Reviews | 4.6 out of 5 stars 4,050 Reviews | | EU Spare Part Availability Duration | 2 years | | External Testing Certification | IAPMO | | Included Components | Waterdrop RF15 Under sink Water Filter Replacement ×1 | | Item Dimensions D x W x H | 3.6"D x 3.6"W x 15"H | | Item Highlight | Reduces PFOA/PFOS, PFAS, Lead, Chlorine, Bad Taste & Odor, Under Sink Water Filter, NSF/ANSI 42 Certified, 2 Years | | Item Weight | 1.8 pounds | | Manufacturer | Waterdrop | | Manufacturer Part Number | RF15 | | Manufacturer Warranty Description | 1 Year Manufacturer | | Material | NSF/ANSI Approved Components | | Material Type | NSF/ANSI Approved Components | | Model Number | WD-RF15 | | Number of Items | 1 | | Number of Packs | 1 | | Product Benefits | Remove iṁpurities, retain beneficial minerals | | Product Dimensions | 3.6"D x 3.6"W x 15"H | | Set Name | Waterdrop RF15 Replacement Filter Set | | Unit Count | 1 Count | ## Product Details - **External Testing Certification:** IAPMO - **Item Weight:** 1.8 pounds - **Material:** NSF/ANSI Approved Components - **Product Benefits:** Remove iṁpurities, retain beneficial minerals - **Product Dimensions:** 3.6"D x 3.6"W x 15"H ## Images ![RF15 Water Filter Replacement for Waterdrop 15UA/15UB/15UC - Image 1](https://m.media-amazon.com/images/I/51iT9-GG6jL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Does this filter fit "waterdrop 10ua under sink water filter system"?** A: Thanks for your interest in our RF15 Under Sink Water Filter System. Regarding your inquiry, this RF15 can fit 10UA system. The only difference between the replacement filters is the length. Here are lengths of the filter replacements for your reference: WD-RF10 filter: 10 inches WD-RF15 filter: 15 inches WD-RF17 filter: 17inches   If you have any other questions, please feel free to give us a call between the hours of 8:00 AM-5: 00 PM (PST), Monday through Friday at 1-888-352-3558. We will try our best to help you out. Thank you very much.   Best Regards, Mia Lauren **Q: Does this filter out lead?** A: I believe so, but consult the description on the seller's info or contact the seller. **Q: Does this filter remover lead? is it certified to nsf 53 standards?** A: No it is not, per the description it is only certified to NSF-372 for being made from lead free materials, it does NOT remove lead. **Q: It says cannot turn the sink hot water on?? Is this true??** A: Hi, Thanks for your interest in our filter product. Please note that this filter can only be used with cold water, not with hot water, so no hot water should flow through the filter, thank you. If you have contacted us via email but received no reply, please check the Spam/Junk Folder first. Thank you. If you have any other inquiries, please feel free to contact us. 1-888-352-3558 (8:00 AM - 5:00 PM PST, Mon - Fri). Kind Regards Mia Lauren　 Customer Service Rep ## Customer Reviews ### ⭐⭐⭐⭐⭐ Easy Replacement and Great Water Quality *by S***7 on August 24, 2026* This replacement filter was easy to install and fit my Waterdrop system perfectly. The replacement process was straightforward, and the water tastes noticeably cleaner and fresher. I like that it helps reduce unwanted taste and odor while providing filtered water directly from the sink. A convenient replacement option for regular filter maintenance. Overall, very happy with the quality and performance. ### ⭐⭐⭐⭐⭐ Excellent value, fit, and water quality! *by S***. on August 4, 2026* Easy to change out, plus great tasting water! The filter also allows great pressure at the tap, What more could you ask for! ### ⭐⭐⭐⭐⭐ Short lifespan but great company support *by J***K on March 28, 2026* I’ve been using the Waterdrop RF15 filter and unfortunately my experience hasn’t matched the advertised lifespan. This filter is marketed to last up to 2 years or around 16,000–19,000 gallons depending on the model, but mine needed replacement after only about 10 months of normal household use. What’s especially disappointing is that I have the same under-sink filtration systems on other sinks in my home, all using comparable municipal water sources, and those filters consistently last over two years without any noticeable drop in flow or water quality. That makes this early failure stand out even more. Installation and water taste were both fine initially, and the filter performed well at first. However, the lifespan fell far short of expectations, especially given the manufacturer’s claims. It’s worth noting that actual filter life can vary based on water quality, but in my case the conditions are very similar across multiple systems, so this seems more like a product inconsistency than a water issue. Overall, decent performance while it lasts, but significantly shorter lifespan than expected compared to other filters Review Update: I wanted to provide an update to my original review. The company reached out and stood behind their product by promptly sending me a replacement filter. I appreciate their responsiveness and commitment to customer satisfaction. Their customer service definitely made a positive impression. Rating bumped up to five stars. ## Frequently Bought Together - Waterdrop RF15 Replacement Filter Cartridge For 15UA/15UB/15UC Under Sink Water Filter, Reduces PFOA/PFOS, PFAS, Lead, Chlorine, Bad Taste & Odor, NSF/ANSI 42 Certified, 19K Gallons High Capacity - AquaBliss High Output Shower Filter Replacement Cartridge – Reduces Chemicals & Chlorine, Restores pH Balance, Glowing Skin, Strong Nails & Shimmering Hair – 1-Pack (SFC100) - Waterdrop RF10 Replacement Filter Cartridge for 10UA/10UB Under Sink Water Filter, Reduces PFAS, PFOA/PFOS, Lead, Chlorine, Bad Taste & Odor, NSF/ANSI 42 Certified, 11K Gallons High Capacity --- ## 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/206228271-rf15-water-filter-replacement-for-waterdrop-15ua-15ub-15uc](https://www.desertcart.us/products/206228271-rf15-water-filter-replacement-for-waterdrop-15ua-15ub-15uc) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-09-19*