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           ORDERS over $35 West Coast
              ORDERS over $100 East Coast

Ideal for ALL Travelers. Includes custom built flip cap to keep lid sanitary and level 2 international protection filter. OKO's advanced filtration water bottle is made of a customized blend of food grade plastics. The materials have passed stringent SGS testing for FDA food contact safety. It is also free of odor and taste. The cap is translucent so you can see the water as it filters. The bottle is soft and squeezable and perfectly balanced with water inside. OKO uses Level-2 filtration originally developed through a NASA grant for space stations. Simply put, it is the state-of-the-art in water filtration technology. The filter produces superiorly-efficient filtration with a powerful flow. Our patent-pending Upstream Valve returns any backwashed fluid into the "unfiltered" water area for re-filtration and to ensure that every sip is pure, fresh and clean. OKO bottles are dishwasher safe and easy to clean.

  • NASA derived filtration using state-of-the-art electro-adsoptive nano technology. One of the most advanced, commercially available bottle filtration systems
  • Works in over 140 countries. Includes a chart for water condidtions worldwide
  • 100 gallon filter capacity (about 2 cents per refill)
  • Tritan cap lets you see the filter in action
  • FDA compliant bottle and filter materials
  • Taste, odor and BPA-free bottle
  • Dishwasher safe
  • Large-mouth bottle for easy refills
  • O-ring carabineer used to carry or hook the bottle onto a bag
  • Includes a level 2 filter
The lifespan of your filter greatly depends on the quality of the water you filter through it. The more contaminated the water, the shorter the life of the filter. We suggest you change it every 50 gallons for best tasting water but it should be fine for up to 100 gallons.  650ml bottle: Based on 100 gallons of mostly tap water, you will get 580 refills. (NOTE: Follow are video training on how to wash the filter after traveling to increase the life of the filter)