---
product_id: 169159163
title: "A. O. Smith AO-US-100-R Genuine Replacement | For Use with AO-CWM or AO-FF"
brand: "a. o. smith"
price: "NZ$97"
currency: NZD
in_stock: true
reviews_count: 8
category: "A. O. Smith"
url: https://www.desertcart.nz/products/169159163-a-o-smith-ao-us-100-r-genuine-replacement-use
store_origin: NZ
region: New Zealand
---

# 99% contaminant removal 6-month easy twist replacement NSF/ANSI certified filtration A. O. Smith AO-US-100-R Genuine Replacement | For Use with AO-CWM or AO-FF

**Brand:** a. o. smith
**Price:** NZ$97
**Availability:** ✅ In Stock

## Summary

> 💧 Stay ahead with every sip—because clean water is the new luxury.

## Quick Answers

- **What is this?** A. O. Smith AO-US-100-R Genuine Replacement | For Use with AO-CWM or AO-FF by a. o. smith
- **How much does it cost?** NZ$97 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/169159163-a-o-smith-ao-us-100-r-genuine-replacement-use)

## Best For

- a. o. smith enthusiasts

## Why This Product

- Trusted a. o. smith brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Long-Lasting Freshness:** Filters up to 200 gallons or 6 months, ensuring consistent clean water without frequent replacements.
- • **Pure Water, Pure Power:** Eliminates up to 99% of 78 harmful contaminants including lead, mercury, and microplastics for crystal-clear hydration.
- • **Twist & Go Convenience:** Tool-free, hassle-free replacement in seconds—no plumber needed, keeping your routine seamless and stress-free.
- • **Certified Clean Confidence:** WQA tested and NSF/ANSI 42, 53, 401 certified to guarantee top-tier filtration performance you can trust.
- • **Genuine A.O. Smith Quality:** Use only certified genuine filters to maintain optimal system performance and contaminant removal.

## Overview

The A.O. Smith AO-US-100-R is a genuine replacement water filter designed for AO-CWM and AO-FF models. Featuring advanced Claryum filtration, it removes up to 99% of 78 harmful contaminants including heavy metals and pharmaceuticals. Certified by NSF/ANSI standards 42, 53, and 401, it offers reliable, tool-free replacement every 6 months or 200 gallons, ensuring premium water quality and system performance.

## Description

The A.O. Smith AO-US-100-R is a premium replacement water filter utilizing Claryum filtration technology. It removes up to 99% of 78 harmful contaminants—including lead, mercury, asbestos, pesticides, pharmaceuticals, and microplastics. Designed for easy, tool-free twists, it lasts for 6 months and is NSF/ANSI certified.

Review: Good quality - Good quality and easy to replace.
Review: Filters - I’ve always bought these and they work well.

## Features

- Replacement filter for: The Clean Water Machine or The Clean Water Filter Fridge/Freezer (AO-CWM or AO-FF) - Easy replacement, no plumber necessary.
- Advanced Filtration - Reduces up to 99% of 78 harmful contaminants including lead, mercury, asbestos, pesticides, pharmaceuticals, chlorine, and more.
- Claryum filtration reduces harmful contaminants – those you can see, smell and taste, and those you can’t – for optimally clean water.
- Use only certified, genuine A. O. Smith replacement filters for continued contaminant removal and system performance. Filters up to 200 gallons or every 6 months.
- WQA tested and certified to NSF/ANSI Standards 42, 53, and 401.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07NK5LCCV |
| Best Sellers Rank | #101,568 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #68 in Undersink Water Filtration Replacement Parts |
| Brand | A. O. Smith |
| Brand Name | A. O. Smith |
| Compatible Water Purifier Models | A.O. Smith AO-FF |
| Customer Reviews | 4.8 out of 5 stars 176 Reviews |
| External Testing Certification | NSF 42 - Reduces aesthetic impurities, NSF 53 - Reduces contaminants with health effects, NSF 401 - Reduces 1 or more of 15 emerging contaminants External Testing Certification NSF 42 - Reduces aesthetic impurities, NSF 53 - Reduces contaminants with health effects, NSF 401 - Reduces 1 or more of 15 emerging contaminants See more |
| Global Trade Identification Number | 00811640030209 |
| Item Dimensions D x W x H | 2"D x 2"W x 5.5"H |
| Item Weight | 7.36 ounces |
| Manufacturer | AO Smith |
| Manufacturer Part Number | AO Smith Replacement |
| Material | Carbon Block |
| Material Type | Carbon Block |
| Model Number | AO-US-100-R |
| Number of Items | 1 |
| Product Benefits | Reduces up to 99% of 78 harmful contaminants |
| Product Dimensions | 2"D x 2"W x 5.5"H |
| Set Name | Claryum |
| UPC | 811640030209 |
| Unit Count | 1 Count |

## Product Details

- **Item Weight:** 7.36 ounces
- **Material:** Carbon Block
- **Product Benefits:** Reduces up to 99% of 78 harmful contaminants
- **Product Dimensions:** 2"D x 2"W x 5.5"H

## Images

![A. O. Smith AO-US-100-R Genuine Replacement | For Use with AO-CWM or AO-FF - Image 1](https://m.media-amazon.com/images/I/71EYNdUQRGL.jpg)
![A. O. Smith AO-US-100-R Genuine Replacement | For Use with AO-CWM or AO-FF - Image 2](https://m.media-amazon.com/images/I/61ztkq5PL+L.jpg)
![A. O. Smith AO-US-100-R Genuine Replacement | For Use with AO-CWM or AO-FF - Image 3](https://m.media-amazon.com/images/I/51PUXsNMfrL.jpg)
![A. O. Smith AO-US-100-R Genuine Replacement | For Use with AO-CWM or AO-FF - Image 4](https://m.media-amazon.com/images/I/81sSawfJzfL.jpg)
![A. O. Smith AO-US-100-R Genuine Replacement | For Use with AO-CWM or AO-FF - Image 5](https://m.media-amazon.com/images/I/817QDurNRkL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality
*by W***M on April 24, 2026*

Good quality and easy to replace.

### ⭐⭐⭐⭐⭐ Filters
*by M***A on April 20, 2026*

I’ve always bought these and they work well.

### ⭐⭐⭐⭐⭐ Great filter
*by M***Z on December 8, 2025*

This filter works great. I use it for an under cabinet ice maker. It removes all the rust and sediment in my well water. Ice is clear and fresh!

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-09-18*