01Gold Standard
Countertop RO System (Glass Carafe)
$449$120/yr filters
ROcountertopno-install
Certified to NSF/ANSI 42, 53, 58, and 401 for 83 contaminants. Independent lab testing showed 100% reduction of all contaminants tested—highest score ever for countertop filter.
Quality Score11/12
Purity
Evidence
Transparency
Value
Strong Evidence
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Ingredients & Purity
Non-detect levels for PFAS, lead, fluoride, arsenic, uranium. NSF 372 certified lead-free design.
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Scientific Evidence
IAPMO certified with published lab results. Third-party testing verified claims.
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Brand Transparency
Full certifications listed, replacement filter specs disclosed.
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Value Assessment
~$449 upfront + $120/year filters. Higher than pitchers but verified performance.
Why Not Alternatives?
Berkey failed IAPMO testing, received EPA stop sale order Dec 2023, and has pending class action. Brita/PUR pitchers only remove chlorine taste, not lead, PFAS, or fluoride.