Does the Aquasana AQ-5200 actually remove PFAS from tap water?

Yes, the Aquasana Claryum AQ-5200 is certified to NSF P473 for PFAS reduction, including PFOA and PFOS down to 20 parts per trillion. The certification is held through the Water Quality Association, an independent third-party body, and you can verify it yourself in the public certified products listing at wqa.org. That verifiable PFAS certification is the main reason it earned a 10/10 safety score in our review.

What did R3's review find in the Aquasana AQ-5200?

R3's review scored the Aquasana AQ-5200 a 9.3/10 overall, with a perfect 10/10 for safety, 7.7/10 for efficacy, and 6.8/10 for usability. It holds the complete NSF 42, NSF 53, and NSF P473 certification stack through WQA, with 78 contaminants tested and published reductions. The main tradeoff is filter life: 500 gallons per cartridge, roughly every 7 to 8 months, at about $108 per year.

Is the Aquasana AQ-5200 safer than Clearly Filtered?

Both systems sit at the top of the under-sink category, and the Aquasana AQ-5200 earns a 10/10 safety score from its NSF 42, NSF 53, and NSF P473 certifications verifiable at wqa.org. Clearly Filtered is the only system that beats the AQ-5200 in this category, with a 2,000-gallon filter life versus 500 gallons here. The AQ-5200 wins on upfront price at $249.99 and on no-drill installation for renters.

Can I install the Aquasana AQ-5200 in a rental without drilling?

Yes, the Aquasana AQ-5200 is one of the few PFAS-certified under-sink systems renters can realistically install. The included filtered water faucet fits into the existing soap dispenser hole or side-sprayer hole that most kitchen sinks already have, so no new hole gets drilled through the counter. That existing-hole installation is why it earned a 6.8/10 usability score despite the slower 0.5 GPM filtered flow rate.

Is the Aquasana AQ-5200 worth $249 given the 500-gallon filter life?

For most renters and condo owners, yes. The Aquasana AQ-5200 is among the most affordable systems carrying full NSF 42, NSF 53, and NSF P473 PFAS certification through WQA, with 100% water recovery and no wastewater. The honest tradeoff is replacing filters every 7 to 8 months, about $108 per year. If you want a longer cartridge life, Clearly Filtered's 2,000-gallon system lasts nearly 3x longer per filter but costs more upfront.

Aquasana Claryum… Review (2026) - Safety Rating & Analysis

Name: Aquasana Claryum 2-Stage Under Counter Water Filter System AQ-5200
Brand: Aquasana
SKU: aquasana-aq-5200-under-counter
Price: 73.99 USD

How R3 scored the Aquasana Claryum 2-Stage Under Counter Water Filter System AQ-5200

The Aquasana Claryum 2-Stage Under Counter Water Filter System AQ-5200 was graded against the same under sink water filter-specific rubric we apply to every product in this category — no brand-by-brand exceptions, no sponsored placements, no affiliate-weighted scores. The verdict above came from three pillars: safety (materials, certifications, recall history, chemical exposure pathways), efficacy (independent testing data, verified performance specs, real-world usage durability), and usability (ergonomics, cleaning, noise, parts availability over time). Every point deduction has a citation behind it. Every claim links back to a primary source. Nothing is hidden behind opaque badges.

What separates this from a typical under sink water filter review elsewhere on the web: we don't accept sponsorships, paid placements, or rev-share-weighted rankings. The brand of the Aquasana Claryum 2-Stage Under Counter Water Filter System AQ-5200cannot pay to move up the list. The score is logic-driven (a weighted formula across safety, efficacy, and usability), not opinion-driven, so an editor's personal preference cannot override the evidence. When two products in this category are within a point of each other, the right tie-breaker is whichever pillar matters most to your household — not whichever one ranks first.

Reading the under sink water filter verdict

A high safety score on the Aquasana Claryum 2-Stage Under Counter Water Filter System AQ-5200doesn't automatically mean “buy this.” A under sink water filterthat's genuinely safe but loses points on efficacy may still be the wrong fit if performance is what you actually need. Conversely, a under sink water filterthat's usability-strong but safety-flagged probably isn't the right call for a child with a known sensitivity. The score is the start of the decision, not the end.

R3 is not a medical, legal, or financial advisor. This review is general consumer-safety reporting, not personalized health guidance. If a safety concern on this page intersects with a specific allergy, sensitivity, or medical condition in your household, talk to your pediatrician or a board-certified specialist — they can weigh the evidence against your family's situation in a way no review can. We'll update this page when credible new evidence changes the picture (a recall, a new lab certification, a meaningful product redesign); the last-updated date in the byline is the source of truth on how current this analysis is.