Aquasana Claryum 2-Stage Under-Sink Filter (AQ-5200)
The lowest-cost certified under-sink answer to documented PFOA/PFOS or lead.
- Under-Sink Filter
- Activated Carbon (Claryum)
Certified for 8 targets
- Eligible: current record covers it
- Not established, with the reason
✓PFOAEligibleNSF/ANSI 53
CheckedChecked 2026-10-11 · recheck due 2027-01-09
✓PFOSEligibleNSF/ANSI 53
CheckedChecked 2026-10-11 · recheck due 2027-01-09
✓LeadEligibleNSF/ANSI 53
CheckedChecked 2026-10-11 · recheck due 2027-01-09
✓MercuryEligibleNSF/ANSI 53
CheckedChecked 2026-10-11 · recheck due 2027-01-09
✓AsbestosEligibleNSF/ANSI 53
CheckedChecked 2026-10-11 · recheck due 2027-01-09
✓MTBEEligibleNSF/ANSI 53
CheckedChecked 2026-10-11 · recheck due 2027-01-09
✓VOC (chloroform surrogate)EligibleNSF/ANSI 53
CheckedChecked 2026-10-11 · recheck due 2027-01-09
✓CystEligibleNSF/ANSI 53
CheckedChecked 2026-10-11 · recheck due 2027-01-09
A target listed here does not mean that contaminant is present in your water.
How to verify a certified claim →Verify in the certifier’s registry ↗- Retail listings mention further contaminants (for example chlorine taste and microplastics); only the NSF/ANSI 53 claims above were checked in the WQA listing.
PurityMap analysis · bottom line
Certification checked against the WQA registry (NSF/ANSI 53 listing, model AQ-5200; the Amazon AQ-5200.55 differs only by finish) on 2026-10-11.The lowest-cost certified under-sink answer to documented PFOA/PFOS or lead.
- ✓ WQA-certified to NSF/ANSI 53 for PFOA/PFOS and lead
- ✓ No reverse-osmosis wastewater
- – Needs a dedicated faucet (drilling)
- – Takes under-sink space
Limitations and trade-offs
- Not a reverse-osmosis system: not certified for fluoride, arsenic, nitrate or PFHxS.
- Needs a dedicated faucet and under-sink space; renters should ask the landlord.
- Replace the cartridges on schedule; spent cartridges stop reducing lead and PFAS.
- Needs a dedicated faucet (drilling)
- Takes under-sink space
No filter treats every water problem. This analysis does not replace household testing, installation requirements, or the manufacturer’s current performance data sheet.
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
- Anyone who can't plumb, drill or hire an installer
- Renters who can't modify plumbing
Installation, ownership and maintenance
Capacity and upkeep are planning figures from the product record, not guarantees. Actual replacement timing depends on use, influent water, flow and the manufacturer’s instructions.- Manufacturer
- Aquasana
- Model number
- AQ-5200
- Installation format
- Under-Sink Filter
- Dimensions
- Under-sink canisters with a dedicated faucet
- Typical annual upkeep
- $80
Certification last checked Oct 11, 2026
Start from your water, not the product.
Plumbing inside a home can add lead that the system record can't show. A tap test tells you what reaches your glass.
Where to buy
Aquasana Under Sink Water Filter System - Reduces PFAS, Lead, & Chlorine in Drinking Water - Under Counter Claryum Filtration for Kitchen - 2-Stage - Brushed Nickel Faucet - AQ-5200.55
The listing mentions chlorine and PFAS; PurityMap verified 8 targets for this model (see Fit for your water).
The fit above is assessed before an offer is attached; a retailer link never changes capabilities, limitations or eligibility. Commercial independence →