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💧 Stay ahead with every sip—because your water should work as hard as you do.
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.
| 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 |
User
Good quality
Good quality and easy to replace.
User
Filters
I’ve always bought these and they work well.
User
Great filter
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!
User
Good externally mounted replacement for refrigerator ice maker/water filter
I have been using these external filters now for a few years and they are of good quality. I can definitely taste an improvement in my city water. I use this in place of the refrigerator internal water filter. It is more economical and does a much better job of filtering out most of the chemicals, pesticides, etc. compared to the OEM refrigerator filter.
User
Does the job
The best
User
Best fit
This leaks, I bought a new filter and it fit better, still leaks just not as much.
User
Right product
Exactly what I needed
User
Filtro
Excelente repuesto de filtro para frío, dura muchísimo y el agua sale bien cristalino
Trustpilot
1 month ago
3 weeks ago