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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 | #150,585 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #104 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 |
W**M
Good quality
Good quality and easy to replace.
M**A
Filters
I’ve always bought these and they work well.
M**Z
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!
M**.
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.
C**I
Does the job
The best
B**Y
Best fit
This leaks, I bought a new filter and it fit better, still leaks just not as much.
S**H
Right product
Exactly what I needed
N**A
Filtro
Excelente repuesto de filtro para frío, dura muchísimo y el agua sale bien cristalino
Trustpilot
1 week ago
2 weeks ago