---
product_id: 409372906
title: "Waterdrop 3US-AF01 Undersink Water Filter, Replacement for Standard 3US-AF01, 3US-AS01, Aqua-Pure AP Easy C-CS-FF, WHCF-SRC, WHCF-SUFC, WHCF-SUF, Pack of 3"
brand: "waterdrop"
price: "₩509695"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/409372906-waterdrop-3us-af01-undersink-water-filter-replacement-for-standard-3us
store_origin: KR
region: South Korea
---

# Waterdrop 3US-AF01 Undersink Water Filter, Replacement for Standard 3US-AF01, 3US-AS01, Aqua-Pure AP Easy C-CS-FF, WHCF-SRC, WHCF-SUFC, WHCF-SUF, Pack of 3

**Brand:** waterdrop
**Price:** ₩509695
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Waterdrop 3US-AF01 Undersink Water Filter, Replacement for Standard 3US-AF01, 3US-AS01, Aqua-Pure AP Easy C-CS-FF, WHCF-SRC, WHCF-SUFC, WHCF-SUF, Pack of 3 by waterdrop
- **How much does it cost?** ₩509695 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/409372906-waterdrop-3us-af01-undersink-water-filter-replacement-for-standard-3us)

## Best For

- waterdrop enthusiasts

## Why This Product

- Trusted waterdrop brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Waterdrop 3US-AF01 Undersink Water Filter, Replacement for Standard 3US-AF01, 3US-AS01, Aqua-Pure AP Easy C-CS-FF, WHCF-SRC, WHCF-SUFC, WHCF-SUF, Pack of 3

## Features

- 【NSF/ANSI Certified Filter】Tested against NSF/ANSI 42 standards, it effectively reduces Chlorine. Activated carbon block and other advanced filter media ensure efficient and safe filtration.
- 【Authority Guaranteed Material】Specially selected premium materials are lead-free, which is fully certified by the IAPMO against NSF/ANSI 372 standard. The BPA-free, lead-free material ensures more reliable use from the inside out.
- 【Stable Flow Rate】 The tested full flow rate for waterdrop water filter is 0.75 gpm. The fast yet stable water flow gives you the same experience as your own faucet.💧This filter does not reduce TDS! 💧 Connected with the cold water valve only! 💧
- 【New upgrade & Keep Water Fresh】After advanced upgrade, the model number is changed from WD-3US-AF01 into WD-W01. To keep your water fresh, replace your filter every 6 months or 6,000 gallons, whichever comes first will vary based on water condition.
- 【Replacement Model】3M Filtrete 3US-AF01, 3US-AS01 system, 3M AP3-765S, 3M AP3-C765, AP Easy C-CS-FF, WHCF-SRC, WHCF-SUFC, WHCF-SUF Filter Cartridge; Fits 3US-AS01 Advanced Under-Sink Filtration Systems, AP Easy CS-FF Under-Sink Filtration Systems.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Waterdrop |
| Model Number | WD-3US-AF01 |
| Colour | White |
| Package Dimensions | 28.09 x 25.81 x 8.89 cm; 1.76 kg |
| Capacity | 6000 gallons |
| Material | Activated Carbon，Lead-Free & BPA Free and Food-Grade Material |
| Item Weight | 1.76 kg |

## Product Details

- **Material:** Activated Carbon，Lead-Free & BPA Free and Food-Grade Material
- **External Testing Certification:** IAPMO
- **Product Benefits:** Reduces Odor, Taste and Chlorine
- **Brand:** Waterdrop
- **Unit Count:** 3.0 Count

## Images

![Waterdrop 3US-AF01 Undersink Water Filter, Replacement for Standard 3US-AF01, 3US-AS01, Aqua-Pure AP Easy C-CS-FF, WHCF-SRC, WHCF-SUFC, WHCF-SUF, Pack of 3 - Image 1](https://m.media-amazon.com/images/I/61kmhJ6FLIL.jpg)
![Waterdrop 3US-AF01 Undersink Water Filter, Replacement for Standard 3US-AF01, 3US-AS01, Aqua-Pure AP Easy C-CS-FF, WHCF-SRC, WHCF-SUFC, WHCF-SUF, Pack of 3 - Image 2](https://m.media-amazon.com/images/I/71Oq6QfmI2L.jpg)
![Waterdrop 3US-AF01 Undersink Water Filter, Replacement for Standard 3US-AF01, 3US-AS01, Aqua-Pure AP Easy C-CS-FF, WHCF-SRC, WHCF-SUFC, WHCF-SUF, Pack of 3 - Image 3](https://m.media-amazon.com/images/I/71HUA9fBNwL.jpg)
![Waterdrop 3US-AF01 Undersink Water Filter, Replacement for Standard 3US-AF01, 3US-AS01, Aqua-Pure AP Easy C-CS-FF, WHCF-SRC, WHCF-SUFC, WHCF-SUF, Pack of 3 - Image 4](https://m.media-amazon.com/images/I/81W2RHUrRSL.jpg)
![Waterdrop 3US-AF01 Undersink Water Filter, Replacement for Standard 3US-AF01, 3US-AS01, Aqua-Pure AP Easy C-CS-FF, WHCF-SRC, WHCF-SUFC, WHCF-SUF, Pack of 3 - Image 5](https://m.media-amazon.com/images/I/71Po2EWRGcL.jpg)

## Frequently Bought Together

- Waterdrop 3US-AF01 Under Sink Water Filter, Replacement for Standard Filtrete® 3US-AF01, 3US-AS01, Aqua-Pure AP Easy C-CS-FF, WHCF-SRC, WHCF-SUFC, WHCF-SUF, NSF/ANSI 42 Certified, Pack of 3
- AQUA CREST 3US-AF01 Under Sink Water Filter, Replacement for Standard Filtrete® 3US-AF01, 3US-AS01, Aqua-Pure AP Easy C-CS-FF, WHCF-SRC, WHCF-SUFC, WHCF-SUF, NSF/ANSI 42 Certified, Pack of 3

---

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**Shop now:** [https://www.desertcart.kr/products/409372906-waterdrop-3us-af01-undersink-water-filter-replacement-for-standard-3us](https://www.desertcart.kr/products/409372906-waterdrop-3us-af01-undersink-water-filter-replacement-for-standard-3us)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-22*