Each of the 3 Brondell 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.
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NSF/ANSI 177 and EPA WaterSense certified compact inline shower filter with KDF copper-zinc media. 53% thinner than standard shower filters, all-metal thread connections. Lowest annual filter cost of any shower pick at $34-54/yr.
WQA Gold Seal RO system (NSF/ANSI 42, 53, 58, 401, P473). Tankless design, removes 99%+ PFOA/PFOS, chloramines, lead. $99/yr filter cost. Compact footprint for smaller cabinets.
WQA Gold Seal certified three-stage under-sink filter (NSF/ANSI 42, 53, 401, 372). One filter change per year. $80/yr running cost, $126 system price. Best budget under-sink pick.
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