---
product_id: 256978411
title: "AO-MF-B-R Under Sink Water Filter Replacement - NSF Certified"
brand: "ao smith"
price: "S$45"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/256978411-ao-mf-b-r-under-sink-water-filter-replacement-nsf
store_origin: SG
region: Singapore
---

# 6-Month Lifespan NSF Certified Under $40/year AO-MF-B-R Under Sink Water Filter Replacement - NSF Certified

**Brand:** ao smith
**Price:** S$45
**Availability:** ✅ In Stock

## Summary

> 💦 Filter Your Way to Freshness!

## Quick Answers

- **What is this?** AO-MF-B-R Under Sink Water Filter Replacement - NSF Certified by ao smith
- **How much does it cost?** S$45 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/256978411-ao-mf-b-r-under-sink-water-filter-replacement-nsf)

## Best For

- ao smith enthusiasts

## Why This Product

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

## Key Features

- • **Odor-Free Oasis:** Say goodbye to chlorine taste and hello to crisp, clean water.
- • **Cost-Effective Care:** Enjoy premium filtration for less than $40 a year.
- • **Sustainable Solution:** No water wasted, just pure hydration.
- • **Pure Taste, Pure Life:** Experience the refreshing difference with NSF-certified filtration.
- • **Effortless Installation:** Seamlessly fits your existing faucet for instant refreshment.

## Overview

The AO Smith AO-MF-B-R Under Sink Water Filter Replacement is an NSF-certified filter designed to enhance your water quality by effectively reducing chlorine taste and odor. With a lifespan of six months and an annual replacement cost of under $40, this filter ensures you enjoy clean, refreshing water without wasting any. It's the perfect addition to your kitchen for health-conscious consumers seeking a sustainable and cost-effective solution.

## Description

AO Smith AO-MF-B-R Under Sink Water Filter Replacement - NSF Certified

## Features

- Replacement filter for: AO Smith Undersink Water Filter (AO-MF-B) - NSF certified to standard 42 for chlorine taste and odor.
- Use only certified, genuine A. O. Smith replacement filters for continued contaminant removal and system performance.
- Single stage water filtration from your existing faucet - Reduces chlorine taste and odor.
- No water is wasted, and nothing is added to your water during the filtration process.
- Filter lasts 6 months with an annual replacement cost of $40 or less - Includes one filter replacement cartridge.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Package Dimensions | 25.02 x 6.91 x 6.91 cm; 408 Grams |
| Batteries required | No |

## Product Details

- **Product Dimensions:** 5"D x 5"W x 12.8"H
- **External Testing Certification:** NSF
- **Product Benefits:** Reduces chlorine taste and odor
- **Brand:** AO Smith
- **Unit Count:** 1.0 Count

## Images

![AO-MF-B-R Under Sink Water Filter Replacement - NSF Certified - Image 1](https://m.media-amazon.com/images/I/71NNQa856mL.jpg)

## Frequently Bought Together

- AO Smith AO-MF-B-R Under Sink Water Filter Replacement - NSF Certified
- AO Smith 2.5"x10" 5 Micron Carbon Wrap Sediment Water Filter Replacement Cartridge - 2 Pack - For Whole House Filtration Systems - AO-WH-PRE-RCP2
- AO Smith 2.5"x10" 5 Micron Sediment Water Filter Replacement Cartridge - 2 Pack - For Whole House Filtration Systems - AO-WH-PREV-R2

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**Shop now:** [https://www.desertcart.sg/products/256978411-ao-mf-b-r-under-sink-water-filter-replacement-nsf](https://www.desertcart.sg/products/256978411-ao-mf-b-r-under-sink-water-filter-replacement-nsf)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-02-16*