THE ANSWER is a simple, but revolutionary solution for contemporary water bottles. Keep your favorite Hydro Flask, Nalgene, Camelbak TruFlask, or Hydro Cell wide mouth bottle. Ditch 99.99% of the harmful tap water contaminants inside of it.
We all love our double-insulated, wide mouth Hydro Flask bottles, but the fact that they don't include a filter, left us without an answer. That is, until we decided to create one.