--- product_id: 169159163 title: "A. O. Smith AO-US-100-R Genuine Replacement | For Use with AO-CWM or AO-FF | Replacement for AO-CWM & AO-FF | Replace Every 6 Months | NSF Certified, Reduces 99% of 78 Contaminants" brand: "a. o. smith" price: "₹ 5752" currency: INR in_stock: true reviews_count: 8 url: https://www.desertcart.in/products/169159163-a-o-smith-ao-us-100-r-genuine-replacement-use store_origin: IN region: India --- # 99% contaminant reduction 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 | Replacement for AO-CWM & AO-FF | Replace Every 6 Months | NSF Certified, Reduces 99% of 78 Contaminants **Brand:** a. o. smith **Price:** ₹ 5752 **Availability:** ✅ In Stock ## Summary > 💧 Stay ahead with every sip—because your water should work as hard as you do. ## Quick Answers - **What is this?** A. O. Smith AO-US-100-R Genuine Replacement | For Use with AO-CWM or AO-FF | Replacement for AO-CWM & AO-FF | Replace Every 6 Months | NSF Certified, Reduces 99% of 78 Contaminants by a. o. smith - **How much does it cost?** ₹ 5752 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/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 - • **Effortless Refresh:** Tool-free, twist-on replacement designed for busy professionals—no plumber needed, no downtime. - • **Certified Confidence:** WQA tested and NSF/ANSI 42, 53, 401 certified to guarantee health-safe, contaminant-free water. - • **Pure Water, Pure Power:** Eliminates 99% of 78 harmful contaminants including lead, mercury, and microplastics for crystal-clear hydration. - • **Genuine AO Smith Quality:** Only authentic AO Smith filters maintain peak system performance and contaminant removal. - • **Long-Lasting Performance:** Filters up to 200 gallons or 6 months, ensuring consistent purity without constant maintenance. ## Overview The A.O. Smith AO-US-100-R replacement filter uses advanced Claryum technology to reduce up to 99% of 78 contaminants, including heavy metals and emerging pollutants. Certified by NSF/ANSI standards 42, 53, and 401, it offers a hassle-free, tool-free replacement every 6 months or 200 gallons, ensuring your AO-CWM or AO-FF water purification system delivers consistently clean, safe water. ## 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. ## 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 | #117,333 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #82 in Undersink Water Filtration Replacement Parts | | Brand Name | A. O. Smith | | Compatible Water Purifier Models | A.O. Smith AO-FF | | Customer Reviews | 4.8 4.8 out of 5 stars (175) 4.8 out of 5 stars | | 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 | | 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 Type | Carbon Block | | Model Number | AO-US-100-R | | Number Of Items | 1 | | Product Benefits | Reduces up to 99% of 78 harmful contaminants | | Set Name | Claryum | | Unit Count | 1 Count | | Upc | 811640030209 | ## 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 | Replacement for AO-CWM & AO-FF | Replace Every 6 Months | NSF Certified, Reduces 99% of 78 Contaminants - 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 | Replacement for AO-CWM & AO-FF | Replace Every 6 Months | NSF Certified, Reduces 99% of 78 Contaminants - 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 | Replacement for AO-CWM & AO-FF | Replace Every 6 Months | NSF Certified, Reduces 99% of 78 Contaminants - 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 | Replacement for AO-CWM & AO-FF | Replace Every 6 Months | NSF Certified, Reduces 99% of 78 Contaminants - 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 | Replacement for AO-CWM & AO-FF | Replace Every 6 Months | NSF Certified, Reduces 99% of 78 Contaminants - Image 5](https://m.media-amazon.com/images/I/817QDurNRkL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good quality *by on Reviewed in the United States April 24, 2026* Good quality and easy to replace. ### ⭐⭐⭐⭐⭐ Filters *by on Reviewed in the United States April 20, 2026* I’ve always bought these and they work well. ### ⭐⭐⭐⭐⭐ Great filter *by on Reviewed in the United States 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! --- ## 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.in/products/169159163-a-o-smith-ao-us-100-r-genuine-replacement-use](https://www.desertcart.in/products/169159163-a-o-smith-ao-us-100-r-genuine-replacement-use) --- *Product available on Desertcart India* *Store origin: IN* *Last updated: 2026-08-23*