SafeRank #2 in category
Aquasana Claryum 3-Stage Under-Sink
“Best under-sink filter, no waste water, full PFAS + lead certifications.”
The quick read
Best for: homeowners, no waste water, full-flow dispenser
Avoid if: you're renting and can't drill
Use during: preconception, all_trimesters, breastfeeding, infant
Key ingredients
- claryum filtration (activated carbon + ion exchange + sub-micron filtration)
What’s NOT in it
- wasted water (no RO waste stream)
Why we ranked it this way
NSF/ANSI 42, 53, 401, P473 certified. Removes 99% of 78+ contaminants including PFOA/PFOS, lead, chlorine.
Score breakdown
lab verified
29 pts
ingredient hazard
27 pts
consensus
13 pts
reviews
11 pts
price access
3 pts
transparency
5 pts
Frequently asked questions
Is Aquasana Claryum 3-Stage Under-Sink safe during pregnancy?+
Considered pregnancy-safe based on our ingredient screen and cited sources. NSF/ANSI 42, 53, 401, P473 certified. Removes 99% of 78+ contaminants including PFOA/PFOS, lead, chlorine.
Who is Aquasana Claryum 3-Stage Under-Sink best for?+
homeowners, no waste water, full-flow dispenser
When should I avoid Aquasana Claryum 3-Stage Under-Sink?+
you're renting and can't drill
When during pregnancy can I use Aquasana Claryum 3-Stage Under-Sink?+
Suitable during: preconception, all_trimesters, breastfeeding, infant.
What are the key ingredients in Aquasana Claryum 3-Stage Under-Sink?+
Key ingredients: claryum filtration (activated carbon + ion exchange + sub-micron filtration).
What is Aquasana Claryum 3-Stage Under-Sink free from?+
Free from: wasted water (no RO waste stream).
Sources cited
- Aquasana NSF certification page · nsf_certified
Other water filters we ranked
Last verified: 2026-05-12. Verification status: automated_research. Data confidence: high.