À propos de Filtra
Filtra puts a two-stage activated-carbon filter inside a stainless steel bottle, so tap water anywhere tastes like it came from a spring. One filter outlasts 300 single-use bottles.
Replacement filters ship in paper, and the spent ones go back in the same envelope — we regenerate the carbon and use it again.
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Theo Okaforavant-hier
Filled it from a questionable train station tap in Budapest. Lived to write this comment.