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GRAYL Ultralight Water Purifier [+ Filter] Bottle


  • COMPACT: 16 oz. purifier bottle makes safe, clean drinking water from virtually any freshwater source
  • FAST AND EASY-TO-USE – Ideal for international travelers, hikers, and emergency prep kits
  • REMOVES WATERBORNE PATHOGENS (e.g. Hepatitis A, Norovirus, Rotavirus); Bacteria (e.g. E. coli, Salmonella, Cholera); and Protozoan Cysts (e.g. Giardia, Cryptosporidium)
  • AWARD WINNING [OnePress] design — Just Fill from any sketchy freshwater source, then Press on a low surface (e.g. ground), then Drink safe water, anywhere
  • FILTERS particulates (e.g. sediment, silt), many chemicals (e.g. chlorine, benzene) and heavy metals (e.g. lead, arsenic); zero aftertaste, eliminates bad odors, improves clarity and flavor


Purify Water Anywhere!

Purification + Filtration — Safe Water for Any Adventure

  • International Travel: The GRAYL Ultralight Purifier is the ultimate travel companion where water isn’t safe. The Purifier fits in standard backpack side pockets and passes through airport security in your carry-on.
  • Outdoor Adventures: Whether your passion takes you into the high alpine forests, fly fishing on a gentle stream or just on a hike in your nearest state park, GRAYL makes safe, clean water easy. Don’t worry about bacteria or protozoa – or nasty chemicals that may be leaking out of that abandoned mine upstream!
  • Emergency Preparation: Hurricanes, tornadoes, earthquakes (oh my). When disaster hits, municipal water systems are the first to go down. Be prepared! Each GRAYL purifier comes equipped with a replaceable purifier cartridge that lasts for about 40gal (150L), enough for 2-3 months of drinking water. Replacement Cartridges can extend the life of your purifier indefinitely!

Fast, Compact and Easy to Use

Just Fill. Press. Drink.

Our simple, powerful, patented design allows you to use your body weight for mechanical advantage. GRAYL makes safe water virtually effortless. Nothing could be simpler – no pumps and hoses, no sucking and squeezing, no batteries or bulbs and absolutely no chemicals!

Makes 16oz (500ml) of safe, clean water in just 15 seconds so you hydrate and can keep moving! No need for a separate bottle, no need to lie on your stomach and suck. Just Fill. Press. Drink.

GRAYL purifiers are light and compact so you’ll definitely make room for them during your next adventure. They fit in any backpack side pocket for easy access. Cleaning and storage is easy, so your purifier will be ready for your next adventure!

And GRAYL stands behind each Purifier we sell.

Trusted Purification Technology

We take the health of our customers very seriously. Each production run is tested at an independent, third-party laboratory for effectiveness against bacteria, protozoa and virus.

  • Technology #1 – Two layers of non-woven ceramic fiber, which provide a rugged and durable base.
  • Technology #2 – Positively charged mesh of ions (aka – little magnets) that grab onto impurities as they flow by, using a scientific property known as ‘ion exchange’. The positive ions in the media bind to negative charges on pathogens and chemicals. The impurities stay inside the cartridge and clean water flows through!
  • Technology #3 – Activated Carbon absorbs flavor/odor and many chemicals and heavy metals, so your water safe and tastes great.

Built for harsh environments: Purifier cartridges contain two layers of this media, to enhance impurity removal and to provide a second layer of protection during your adventures.



Safe Water for Any Adventure

Trusted by adventurers, travelers and preppers Unlike mere water filters, which only remove bacteria and protozoa, GRAYL Purifiers add protection against virus, plus many chemicals and heavy metals.
GRAYL is a proud member of 1% for the Planet. We’ll donate 1% from your purchase to environmental nonprofits. Thanks for helping us make a difference.








International travelers throw away millions of single-use plastic bottles every day, very few of which are ever recycled. Each Replacement Purifier Cartridge displaces 300 single-use plastic bottles.



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