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🚰 Elevate your hydration game with pure, filtered perfection!
The A. O. Smith AO-US-200 under sink water filter system features a 2-stage Claryum filtration that reduces 99% of 78 harmful contaminants including lead, PFAS, and microplastics. Certified to NSF/ANSI standards 42, 53, and 401, it delivers filtered water at 0.5 gallons per minute through a dedicated brushed nickel faucet. Designed for easy DIY installation with included tubing, it supports households of up to 4 people and offers a 6-month/500-gallon filter lifespan with cost-effective maintenance under $120 annually.










| ASIN | B07NJ4P99G |
| Best Sellers Rank | #4,520 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #110 in Under-Sink & Countertop Filtration |
| Brand | A. O. Smith |
| Brand Name | A. O. Smith |
| Customer Reviews | 4.4 out of 5 stars 303 Reviews |
| External Testing Certification | NSF/ANSI Standards 42, 53, and 401 |
| Included Components | Filter, Faucet, Filter Cartridge Set, Wrench |
| Item Dimensions D x W x H | 4"D x 8"W x 8.75"H |
| Item Highlight | Reduces Lead, PFAS, Microplastics, Chlorine Taste & Odor | WQA Certified | Brushed Nickel Faucet | 500 Gal | 1-Year Warranty |
| Item Weight | 4 pounds |
| Manufacturer | AO Smith |
| Manufacturer Part Number | AO-US-200 |
| Manufacturer Warranty Description | 1-Year Limited Warranty |
| Material | Carbon Block |
| Material Type | Carbon Block |
| Model Number | AO-US-200 |
| Number of Items | 1 |
| Product Benefits | Certified to reduce 78 contaminants including chlorine, lead, PFAS, microplastics, pesticides, and more Product Benefits Certified to reduce 78 contaminants including chlorine, lead, PFAS, microplastics, pesticides, and more See more |
| Product Dimensions | 4"D x 8"W x 8.75"H |
| Set Name | Filter System | AO-US-200 |
| UPC | 811640030063 |
| Unit Count | 1 Count |
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