---
product_id: 230599535
title: "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, 3 Pack"
brand: "aqua crest"
price: "£50.65"
currency: GBP
in_stock: true
reviews_count: 8
category: "Aqua Crest"
url: https://www.desertcart.co.uk/products/230599535-aqua-crest-3us-af01-under-sink-water-filter-replacement-standard
store_origin: GB
region: United Kingdom
---

# 6 months lifespan NSF/ANSI Certified Stable flow rate 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, 3 Pack

**Brand:** aqua crest
**Price:** £50.65
**Availability:** ✅ In Stock

## Summary

> 💦 Drink Smart, Live Fresh!

## Quick Answers

- **What is this?** 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, 3 Pack by aqua crest
- **How much does it cost?** £50.65 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/230599535-aqua-crest-3us-af01-under-sink-water-filter-replacement-standard)

## Best For

- aqua crest enthusiasts

## Why This Product

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

## Key Features

- • **Flow Like a Pro:** Stable flow rate guarantees a satisfying drinking experience every time.
- • **Pure Water, Pure Life:** Experience the refreshing taste of clean water with NSF/ANSI certified filtration.
- • **Effortless Compatibility:** Seamlessly fits various models, ensuring you stay hydrated without hassle.
- • **Long-Lasting Performance:** Enjoy up to 6 months or 6000 gallons of crystal-clear hydration.
- • **Premium Materials, Premium Taste:** Crafted from authority-approved materials for your peace of mind.

## Overview

The AQUA CREST 3US-AF01 Under Sink Water Filter is a high-performance replacement filter compatible with several models, including Filtrete and Aqua-Pure systems. It boasts NSF/ANSI 42 certification, ensuring safe and effective filtration. With a lifespan of up to 6 months or 6000 gallons, this filter is designed for efficiency and convenience, providing a stable flow rate for a satisfying drinking experience.

## Description

AQUA CREST WATER FILTER

Review: Filtered water is the best water. - I've been using these for years. This system is a great value and provides a long term solutions for a filter. One thee pack lasts me about a year and a half. Totally worth it!
Review: Great product ! - Great product, i have been using it for years ! Easy to install too

## Features

- 【NSF/ANSI Certified Performance】After advanced upgrade, the model number is changed from AQU-3US-AF01 into AQU-WF01. NSF/ANSI 42 Certified.
- 【Authority Guaranteed Materials】Specially selected premium materials are certified by the IAPMO against NSF/ANSI 372 standard, which brings you a satisfying and safe experience.
- 【Stable Flow Rate】The filtration is efficient enough to provide you with a comfortable drinking experience.
- 【New upgrade & Long-lasting Service Life】The filter life is 6 months or 6000 gallons, which will vary based on the water conditions.Connected with the cold water valve only! This filter does not reduce TDS！
- 【Compatible with the Following Models】3M Filtrete 3US-AF01, 3US-AS01 system, Aqua-Pure AP Easy C-CS-FF, CS-FF system, WHCF-SRC, WHCF-SUFC, WHCF-SUF, 4306791, 4306809, 4306817, 4306825. **Please note that the compatible model numbers of the products are quite similar. Double check the exact model number to make sure you get the right one!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08BFWWXHK |
| Best Sellers Rank | #77,843 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #527 in Replacement Under-Sink Water Filters |
| Brand | AQUA CREST |
| Brand Name | AQUA CREST |
| Compatible Water Purifier Models | 3M 3US-AS01 |
| Customer Reviews | 4.8 out of 5 stars 428 Reviews |
| External Testing Certification | IAPMO |
| Included Components | Packaging, Replacement water filter, User Guide |
| Item Dimensions D x W x H | 3.46"D x 10.28"W x 11.18"H |
| Item Type Name | under sink replacement water filter |
| Item Weight | 3.8 Pounds |
| Manufacturer | AQUA CREST |
| Manufacturer Part Number | AQU-3US-AF01 |
| Material | Activated Carbon，Lead-Free & BPA Free and Food-Grade Material |
| Material Type | Activated Carbon，Lead-Free & BPA Free and Food-Grade Material |
| Model Number | AQU-WF01 |
| Number of Items | 3 |
| Product Benefits | Reduces Odor, Taste and Chlorine |
| Product Dimensions | 3.46"D x 10.28"W x 11.18"H |
| Set Name | Pack of 3 |
| UPC | 840814177426 |
| Unit Count | 3.0 Count |

## Images

![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, 3 Pack - Image 1](https://m.media-amazon.com/images/I/71gWxEsOwuL.jpg)
![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, 3 Pack - Image 2](https://m.media-amazon.com/images/I/61cl8-kI6jL.jpg)
![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, 3 Pack - Image 3](https://m.media-amazon.com/images/I/61DSO31-hzL.jpg)
![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, 3 Pack - Image 4](https://m.media-amazon.com/images/I/61NMob9BPlL.jpg)
![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, 3 Pack - Image 5](https://m.media-amazon.com/images/I/717piHozrBL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Filtered water is the best water.
*by M***N on May 16, 2026*

I've been using these for years. This system is a great value and provides a long term solutions for a filter. One thee pack lasts me about a year and a half. Totally worth it!

### ⭐⭐⭐⭐⭐ Great product !
*by R***R on November 7, 2025*

Great product, i have been using it for years ! Easy to install too

### ⭐⭐⭐⭐⭐ Great value for the price
*by E***S on August 28, 2025*

Quality (PPMs) same as the manufacturer filter, for 25% of the price. Fits without a hitch, taste of water the same.

---

## 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.co.uk/products/230599535-aqua-crest-3us-af01-under-sink-water-filter-replacement-standard](https://www.desertcart.co.uk/products/230599535-aqua-crest-3us-af01-under-sink-water-filter-replacement-standard)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-08*