---
product_id: 284892674
title: "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"
brand: "waterdrop"
price: "$130.88"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/284892674-rf15-replacement-filter-cartridge-for-15ua-15ub-15uc-under-sink
store_origin: US
region: United States of America
---

# 19,000 gallons capacity 20X larger filtration area NSF/ANSI certified filtration 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

**Brand:** waterdrop
**Price:** $130.88
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your hydration game with pure, powerful filtration—because your water deserves the best.

## Quick Answers

- **What is this?** 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 by waterdrop
- **How much does it cost?** $130.88 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/284892674-rf15-replacement-filter-cartridge-for-15ua-15ub-15uc-under-sink)

## 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 3 seconds—no tools, no mess, just pure convenience.
- • **Universal Compatibility:** Fits 15UA, 15UB, 15UC models and works with faucet or fridge—flexible clean water access everywhere.
- • **Certified Pure Confidence:** IAPMO & NSF/ANSI certified to slash lead, PFAS, chlorine, and odors—drink with peace of mind.
- • **Next-Level Filtration Power:** 20X increased dirt adhesion area means fewer clogs and cleaner water nonstop.
- • **Ultra-Long Life, Zero Hassle:** Filters up to 19,000 gallons or 2 years—stay worry-free and hydrated.

## Overview

The Waterdrop RF15 Replacement Filter Cartridge delivers premium water purification with a massive 19,000-gallon capacity and 2-year lifespan. Engineered with a 20X larger filtration area, it reduces harmful contaminants including PFOA/PFOS, PFAS, lead, chlorine, and odors. Certified by IAPMO and NSF/ANSI standards, this BPA-free, lead-free filter fits multiple Waterdrop under-sink and refrigerator models. Its quick twist-and-lock design ensures effortless replacement, making it the ultimate upgrade for clean, safe, and great-tasting water.

## Description

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

## 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 |
|---------------|-------|
| Brand | Waterdrop |
| Model Number | RF15 |
| Color | Gery |
| Product Dimensions | 9.14 x 9.14 x 38.1 cm; 866.36 g |
| Capacity | 19000 Gallons |
| Material | NSF/ANSI Approved Material Components |
| Special Features | Replacement Filter for Waterdrop 15UA, 15UB, 15UC, 15UA-UF, 15UB-UF, 15UC-UF, 2 Years or 16000 Gallons |
| Item Weight | 866 g |

## Product Details

- **Material:** NSF/ANSI Approved Material Components
- **Product dimensions:** 9.1D x 9.1W x 38.1H centimeters
- **Item weight:** 1.91 Pounds
- **External testing certification:** IAPMO
- **Product benefits:** Reduces harmful substances

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/51iT9-GG6jL.jpg)

## 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

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-21*