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The Answer | Hydro Flask
32 Oz - 40 Oz Fit


HYDRO FLASK Compatible Water Bottle Filter System | Fits Hydro Flask 32 oz & 40 oz Wide Mouth Bottles | Includes 1 Urban Filter | Removes 99.99% of Tap Water Contaminants Including Lead, Chlorine and PFA's. | Average Filter Life: 3-4 Months | Hydro Flask bottles (definitely) not included


  • Now comes with two different versions of lids: (1) Easy-Flip Sports Lid with hygienic bite valve, and (1) Locking Dust Cover Lid with one-handed push-button operation and integrated carry loop; detachable components for easy cleaning
  • 40% LARGER straw diameter for increased flow rate
  • USA Made Urban Filter removes 99.99% of tap water contaminants
  • Interchangeable filter system for tap water & outdoor adventure
  • Filters are replaceable & recyclable

THE ANSWER is a simple, but revolutionary solution for contemporary water bottles. Keep your favorite Hydro Flask 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.

Appropriately named THE ANSWER, this simple design lid/straw/filter device is a perfect fit for 32 oz and 40 oz Hydro Flask wide mouth water bottles. (More compatible bottles coming soon!) From waterborne pathogens, to heavy metals, fluoride and even trace pharmaceuticals, all are eliminated with our multi-patented filter media. Be confident that the only thing reaching your body is the purest water available. Our filter technology has been tested in 16 different countries, and they promise to remove some of the most contaminated tap water on Earth. Enjoy up to 75 gallons of pure clean water per filter. On average, we recommend replacing it once every few months if being used regularly.

Our American-made and American-tested filters outperform well known filtration brands any day of the week. You'll notice some of our biggest competitors do not even publish test results -- that's because their filters only remove bad taste and some chlorine (like that Brita jug you've become so skeptical of lately).

THE ANSWER comes with one (1) Urban Filter and is also compatible with Epic's Outdoor Adventure Filter (but not recommended unless traveling). The Outdoor Filter is sold separately. Keep in mind, the Outdoor filter requires you to suck/squeeze a bit harder to get water through it, so we do not recommend using it for an everyday filter unless you live in an area with a very questionable public water supply to include pathogens. The Epic Outdoor filter removes 99.9999% of water contaminants as well as any waterborne pathogens like Giardia and Cryptosporidium and can be used on camping trips and as an emergency preparedness item with it's microbiological filter media.

To see our filter testing on our bottle filters, please click on the links below:
Urban Filter Testing
Outdoor Filter Testing

*Hydro Flask bottle (still) not included.


Why Choose the Epic URBAN Filter?

    • Removes up to 99.99% of all tap water contaminants
    • It's 100% replaceable, 100% recyclable, 100% BPA-free
    • 100% Made in USA
    • Produces up to 75 gallons (285 liters) of clean water
    • Industry-leading technology tested to highest international standards
    • Eliminates need to buy filtered water
    • Stops 550+ plastic bottles going into landfills
    • Filter life: up to 75 gallons (285 liters) depending on average daily usage and water quality
    • Average recommended filter replacement: 3-4 per year

    Epic Performance
    When we say Epic, we mean Epic. Our proprietary, multi-patented blend of filter media eliminates up to 99.99% of the harmful contaminants other filters leave behind such as chlorine, heavy metals, industrial and agricultural pollutants and trace pharmaceuticals - as well as reduction of fluoride. Why settle for anything less?

    Epic Value
    Enjoy up to 75 gallons (285 litres) of pure clean water per filter that will taste all the sweeter knowing you'll never pay for bottled water again.

    Epic Sustainability
    Each filter is 100% recyclable. And when it finally comes time to replace your filter, take comfort knowing it's already replaced 550+ plastic bottles.

    Test and Approved Worldwide
    Epic Water Filters have been independently tested across the globe in both field and laboratory test in countries including the USA, UK, Australia and Japan. These rigorous processes are just another way we go well beyond what's required to deliver the cleanest, purest water possible.