Independent product analysis
Faucet-Mount Filter
A certified, low-cost way to reduce lead and PFAS at a single faucet.
Faucet Attachment · Activated Carbon · PUR
Product recordPurityMap analysisThis profile evaluates where the product record fits, what its listed technology can address, and the constraints a household should check before buying.
A certified, low-cost way to reduce lead and PFAS at a single faucet.
Match factors
- NSF/ANSI 53 certified for lead and Total PFAS
- No tools needed
Watch-outs
- Low flow
- May not fit pull-out or specialty faucets
Assessment basis: Certification checked against the NSF, WQA and IAPMO registries (2026-09-23).
Which water problems is this relevant to?Each target in PurityMap’s evidence register for this product, with its state. Relevance starts with a documented water problem, then the treatment technology, then a product whose exact, current certification covers that target.
- Lead Eligible · NSF/ANSI 53; chlorine: 42
- Mercury Eligible · NSF/ANSI 53; chlorine: 42
- VOC (chloroform surrogate) Eligible · NSF/ANSI 53; chlorine: 42
- Chlorine taste/odor Eligible · NSF/ANSI 53; chlorine: 42
- Total PFAS (aggregate) Not established
A capability listed here does not mean that contaminant is present in your water. Find your water system before deciding what treatment is relevant.
Certification and claim scope
One row per target in PurityMap's evidence register. Eligible means a current certification record for this exact product covers that target, checked in the certifier's registry within the last 90 days. Not established always comes with the reason.
| Target | Evidence | Certification | Checked |
|---|---|---|---|
| Lead | ✓ Eligible | NSF · NSF/ANSI 53; chlorine: 42NSF exact PUR PFM350V listing | checked 2026-09-25 · recheck due 2026-12-24 |
| Mercury | ✓ Eligible | NSF · NSF/ANSI 53; chlorine: 42NSF exact PUR PFM350V listing | checked 2026-09-25 · recheck due 2026-12-24 |
| VOC (chloroform surrogate) | ✓ Eligible | NSF · NSF/ANSI 53; chlorine: 42NSF exact PUR PFM350V listing | checked 2026-09-25 · recheck due 2026-12-24 |
| Chlorine taste/odor | ✓ Eligible | NSF · NSF/ANSI 53; chlorine: 42NSF exact PUR PFM350V listing | checked 2026-09-25 · recheck due 2026-12-24 |
| Total PFAS (aggregate) | Not establishedEvidence insufficient to verify this product for Total PFAS (aggregate). | Listing checked: IAPMO asserted in manufacturer sheet · NSF/ANSI 53 (not established for this product)PUR October 2025 performance sheet | No current check recorded |
Not suitable for
- Treating every tap in the home
- A whole-home hard-water or scale problem
- All PFAS: its evidence covers only the compounds it names
Test first
- Plumbing inside a home can add lead that the system record can't show. A tap test tells you what reaches your glass.
- A tap test can confirm levels at your home before you choose treatment.
Installation, ownership, and maintenanceCapacity and upkeep are planning figures from the product record, not guarantees. Actual replacement timing depends on use, influent water, flow, and manufacturer instructions.
Limitations and tradeoffs
- Not an arsenic, nitrate or hardness solution.
- Certified performance applies to the PUR PFM350V with its PUR Plus filter.
- Low flow rate; not for whole-home use
- Filter changes every 2–3 months
- May not fit pull-out or specialty faucets
No filter treats every water problem. This analysis does not replace household testing, installation requirements, or the manufacturer’s current performance data sheet.