Aquasana Claryum 3-Stage Max Flow Under-Sink Filter (AQ-6300M)
The lower-cost under-sink answer to documented PFAS or lead: certified to NSF/ANSI 53 for PFOA/PFOS and lead, without reverse osmosis wastewater.
- Under-Sink Filter
- Activated Carbon (Claryum)
Certified for 10 targets
- Eligible: current record covers it
- Not established, with the reason
✓PFOAEligibleNSF/ANSI 53
CheckedChecked 2026-09-25 · recheck due 2026-12-24
✓PFOSEligibleNSF/ANSI 53
CheckedChecked 2026-09-25 · recheck due 2026-12-24
✓LeadEligibleNSF/ANSI 53
CheckedChecked 2026-09-25 · recheck due 2026-12-24
✓MercuryEligibleNSF/ANSI 53
CheckedChecked 2026-09-25 · recheck due 2026-12-24
✓AsbestosEligibleNSF/ANSI 53
CheckedChecked 2026-09-25 · recheck due 2026-12-24
✓MTBEEligibleNSF/ANSI 53
CheckedChecked 2026-09-25 · recheck due 2026-12-24
✓VOC (chloroform surrogate)EligibleNSF/ANSI 53
CheckedChecked 2026-09-25 · recheck due 2026-12-24
✓CystEligibleNSF/ANSI 53
CheckedChecked 2026-09-25 · recheck due 2026-12-24
✓Aesthetic chlorineEligibleNSF/ANSI 42
CheckedChecked 2026-09-25 · recheck due 2026-12-24
✓Aesthetic chloramineEligibleNSF/ANSI 42
CheckedChecked 2026-09-25 · recheck due 2026-12-24
?MicroplasticsNot established
CertificationListing checked: WQA asserted in manufacturer sheet · NSF/ANSI 401 (not established for this product)
Why notNo current check recorded. Evidence insufficient to verify this product for Microplastics.
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 microplastics); only the NSF/ANSI 42 and 53 claims above are in the WQA listing.
PurityMap analysis · bottom line
Certification checked against the WQA Gold Seal listing for Aquasana (NSF/ANSI 53 and 42, Claryum 3-Stage Max Flow AQ-6300M) on 2026-09-24.The lower-cost under-sink answer to documented PFAS or lead: certified to NSF/ANSI 53 for PFOA/PFOS and lead, without reverse osmosis wastewater.
- ✓ Certified for PFOA/PFOS and lead
- ✓ No reverse-osmosis wastewater
- ✓ Chlorine and chloramine taste reduction
- – Needs a dedicated faucet
- – Not certified for fluoride, arsenic or nitrate
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-6300M
- Installation format
- Under-Sink Filter
- Dimensions
- Under-sink canisters with a dedicated faucet
- Typical annual upkeep
- $80
Certification last checked Sep 25, 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 | Claryum 3-Stage Max Flow | AQ-6300M-CHR
The fit above is assessed before an offer is attached; a retailer link never changes capabilities, limitations or eligibility. Commercial independence →