Aquasana AQ-4100 Shower Filter
NSF/ANSI 177 and NSF/ANSI 61 certified inline shower filter with KDF and coconut-shell carbon media. Attaches between the shower arm and your existing showerhead. ~$80-125/yr filter cost.
Aquasana
Vetting record
The 15 criteria- Products listed
- 2
- Criteria checked
- 15
- Last verified
- September 2026
- Listed since
- August 2026
Each of the 2 Aquasana products listed here disclosed its materials and passed all 15 published criteria. Nothing is listed for a fee, and affiliate commissions never affect what qualifies. Listings are re-checked on a rolling basis and come off when a product changes.
Aquasana products
Listings link out to Aquasana or a retailer that sells the item — Nontoxic Nook is not a retailer.
Aquasana Claryum 3-Stage Max Flow Under-Sink Filter
WQA-certified under-sink filter certified to NSF/ANSI 42, 53, 401, and P473. Removes 99.7% PFOA/PFOS and 78+ contaminants including chloramines, lead, and emerging contaminants. DIY install. ~$156-184/yr.
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