To buy, select Size
Choose from options to the left

Image Unavailable

Image not available for
Color:
  • OKO H2O Level-2 Advanced Filtration Water Bottle, 1-Liter, Air
  • Sorry, this item is not available in
  • Image not available
  • To view this video download Flash Player
      

OKO H2O Level-2 Advanced Filtration Water Bottle

by OKO H2O

Price: $16.01 - $25.95
Sale: Lower price available on select options
Select
Air
  • Water bottle with Level-2 filter derived from NASA technology
  • Filter produces superiorly-efficient filtration with a powerful flow
  • Taste, odor and BPA-free bottle
  • 100-gallon filter capacity; bottle is dishwasher safe
  • O-ring carabineer used to carry or hook the bottle onto a bag

Frequently Bought Together

OKO H2O Level-2 Advanced Filtration Water Bottle + OKO H2O Level-2 Replacement Water Bottle Filter (Color Will Vary)
Price for both: $36.90

One of these items ships sooner than the other.

Buy the selected items together

Product Description

OKO H2O Level-2 Advanced Filtration Water Bottle

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.

Three sizes of bottles
Three sizes of bottles -- 550 ml, 650 ml, and 1 liter
View larger
Choose your favorite filter color
Choose your favorite filter color
View larger
Top-Grade Construction

OKO’s patented water bottles are made from a customized blend of plastics that have passed stringent SGS testing for FDA food contact safety. The bottle cap is made of Tritan, a BPA-free clear hard plastic renowned for its durability and clarity that allows the user to see water filtration in action as you drink. The bottle’s body is made of an ultra-light polypropylene material used popularly in food storage containers worldwide. Our semi-soft nozzle and washer create functional accents and the contoured shape makes the bottle easy to grip. The O-ring carabineer is used to carry or hook the bottle onto a bag. These features, combined with the versatility provided by your filtration make OKO the best water bottle in its category. OKO bottles are dishwasher safe and easy to clean.

OKO Level-2 Filter

OKO Level-2 filtration, originally developed through a NASA grant for space stations, is now available for consumer use. In addition to a 2 micron pore size, the material utilizes a positively charged electro-adsorption (attraction and retention) process to draw and trap harmful agents much smaller than its pore size. Charge fields, activated upon water contact extend 1 micron each to virtually close the pore to any intruding agents. Using built-in silver ions, the material then kills bacteria upon contact. OKO level-2 filter lab tests reflect removal of 99.94% of e-coli, 99.997% of cryptosporidium and 99.9999% of giardia lamblia, the most commonly found bacteria in water sources.

Up to 100 Gallons of Refills

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. 550ml bottle: Based on 100 gallons of mostly tap water, you will get 750 refills. 650ml bottle: Based on 100 gallons of mostly tap water, you will get 580 refills. 1000ml bottle: Based on 100 gallons of mostly tap water, you will get 375 refills.

A wide variety of uses
A wide variety of uses
Get to Know OKO

Pronounced “ooko,” OKO means “eco” in Swiss German, where the idea for our advanced filtration water bottle and its application was originated. OKO takes the concept of an ecologically friendly water container one step further with NASA derived filtration technology, packaged in smartly designed BPA free water bottles with a super-light, high tech blend of materials -- ensuring that you’re always drinking safe, pure, potable water in style. It’s the ideal choice for everyday use, travelers, adventurers, hikers, yogis, runners, and anyone who needs convenient access to clean, clear, crisp water. And with three sizes, six designer colors, and two levels of filters, it’s easy to find the OKO bottle that’s right for you.


Key Features
  • Made of a customized blend of food grade plastics
  • 100% BPA, phthalate, and toxin free
  • Soft, squeezable, and perfectly balanced with water inside
  • Filters up to 100 gallons of water before needing to be replaced
  • Measures 8.25 x 3.3 x 3 inches
  • Dishwasher safe

Product Details

  • Item Weight: 9 ounces
  • Shipping Weight: 9 ounces (View shipping rates and policies)
  • Shipping: Currently, item can be shipped only within the U.S.
  • ASIN: B00M6QV2JE
  • Item model number: OKO-1000-AIR-P
  • Average Customer Review: 3.6 out of 5 stars  See all reviews (142 customer reviews)
  • Amazon Best Sellers Rank: #5,373 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
  •  Would you like to give feedback on images?

Customer Reviews

I'll use this product in my outdoors adventures, trips, camping.
Regis Candeia
Water runs through the OKO filters tastes great and I have CONFIDENCE that it is doing what I want it to do.
S. Figi
My only complaint is that the water flow is a bit tough...you have to squeeze the bottle pretty hard.
Linda Russell

Most Helpful Customer Reviews

67 of 71 people found the following review helpful By S. Figi on May 19, 2012
Color Name: CarbonSize Name: Large (1000 ml)
I really like this bottle. I've read all the reviews and think any negative comments are missing the point. The product in my estimation is VERY good. YES you have to draw semi-hard on the bottle to get water. It is a FILTRATION system after all - and a serious one. Only a weak filtration system or plain old water bottle will draw like what you are used to. OKO has a function, and it filters REALLY WELL. Water runs through the OKO filters tastes great and I have CONFIDENCE that it is doing what I want it to do. We live on a farm with sketchy well water - very odd tasting water. When I use the OKO it scrubs it clean - no odor - no taste, and most importantly, I know it will be safe The bottle itself is a very flexible plastic. I cannot imagine how it would break the way some reviewers have cited. In fact, the flexible nature of the material makes it easier to squeeze and filter the water. It works that way on purpose. I call it thoughtful design... Top heavy? Absolutely, especially when empty. So what. Really? It has a heavy duty (and consequently, weighty) filter on top. That is not a flaw in any way. If it were NOT a little top heavy something would be wrong (like a wimpy lightweight filter). So must just have gotten out of the wrong side of the bed when they wrote that :) BUT... not too heavy for backpacking. Leakey? One of mine did for a short time until I realized the silicone seal (like the rubber seal on a Mason jar) was simply out of position. 3 seconds with a butter knife put it back in position - issue solved.
So I do not really get some of these ultra-negative reviews. "It does what it says on the tin" as they say here in the UK... And really well. If I were traveling anywhere where I needed filtered water on the go this is what I would (and did!) buy. Hope this helps.
2 Comments Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback. If this review is inappropriate, please let us know.
Sorry, we failed to record your vote. Please try again
5 of 5 people found the following review helpful By Marvin Q on August 23, 2014
Color Name: SunSize Name: 650ml Verified Purchase
9/26/2014 EDIT: After a bit longer use, it appears the fabled issue of the water bottle leaking is here and is here to stay!
Even after using my method of recapping the bottle on a flat surface as recommended in my initial review, it still leaks. The plastic gasket starts warping/moving after so many twist offs, which causes leaking. It is not user error any more, but poor manufacturing/longevity on the product.

Further analysis: The rubber seal/gasket on the lid itself is fairly small and flimsy. If you accidentally leave the water bottle in your car on a hot day? It doesn't help the situation (I noticed more leaking after that ONE episode). While the instructions say you can "remove and reinsert" ... it's getting to the point where I am spending more time FIXING it, than drinking water out of it. And while I have done that, it still leaks more often than not.... =(
Another problem area is where the cap screws onto the bottle. Because that area is a fairly thin piece of plastic, when it makes contact with the cap AND rubber seal, there's enough wiggle room for water to seep out into the grooves and out onto you! This is after tightening it... so much so, that I had difficulty removing the cap afterwards (yes, it still was leaking)!

My recommendation to the manufacturer: Either add a thicker rubber seal/gasket onto the lid AND/OR reenforce the screw top area of the bottle so that it is thicker and creates a tighter seal with the cap.

Luckily, I sometimes exercise outdoors, and the parks around me have water fountains. A leaky water bottle outside isn't preferred, but is still usable. If you're using the bottle any where else.... Have a towel handy!
Read more ›
2 Comments Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback. If this review is inappropriate, please let us know.
Sorry, we failed to record your vote. Please try again
8 of 9 people found the following review helpful By Magdalaine on September 2, 2013
Color Name: SkySize Name: 650ml Verified Purchase
I love this water bottle! Both my fiance and have this water bottle and it is the best for filtered water on the go. It can be a little slow to filter the water but that is expected.
Comment Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback. If this review is inappropriate, please let us know.
Sorry, we failed to record your vote. Please try again
7 of 8 people found the following review helpful By perty.delila on September 20, 2012
Color Name: AirSize Name: 550ml
I bought this bottle a couple of months ago and I have been attached to it ever since I received it! I am not a water drinker and bought a bottle to a)not be so wasteful with plastic water bottles, and b) to start drinking more water. I noticed the difference immediately! I actually find the design attractive too. The only cons about the bottle is that it doesnt fit into my car cup holder, but its not so bad because it does not leak at all even if left open! and also the ring on the side is very useful but it has broken so I am in the process of contacting oko for a replacement. Overall, I am very satisfied with this product and would definitely recommend it!
Comment Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback. If this review is inappropriate, please let us know.
Sorry, we failed to record your vote. Please try again
7 of 8 people found the following review helpful By denise mapp on May 29, 2013
Color Name: SeaSize Name: 1-Liter Verified Purchase
This product is far superior to Brita and Zero filtration bottles. My tap water always had a salty chemical-like taste that neither Brita or Zero could eliminate. OKO has succeeded where the others failed. No more store bought water for on the go, I just fill up my OKO.
Comment Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback. If this review is inappropriate, please let us know.
Sorry, we failed to record your vote. Please try again
6 of 7 people found the following review helpful By grant on October 13, 2013
Color Name: CarbonSize Name: Large (1000 ml) Verified Purchase
Excellent works as advertised. Only filtered water bottle I have had that works. This filter can take water out of soda.
Comment Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback. If this review is inappropriate, please let us know.
Sorry, we failed to record your vote. Please try again
3 of 3 people found the following review helpful By T.J. on June 3, 2013
Color Name: CarbonSize Name: Large (1000 ml) Verified Purchase
Wonderful product that can seemingly filter out almost anything.
Replicating their commercial where they filter out soda is a neat experiment that is interesting to see in person.

Would totally recommend to a friend!
Comment Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback. If this review is inappropriate, please let us know.
Sorry, we failed to record your vote. Please try again
3 of 3 people found the following review helpful By BillyC on May 1, 2013
Color Name: CarbonSize Name: Large (1000 ml) Verified Purchase
feel the bottle and o-rings could be a little higher quality. Overall an excellent filter, removes all chlorine taste and i'm sure anyother contaminates in water. Will buy another and extra filters.
Comment Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback. If this review is inappropriate, please let us know.
Sorry, we failed to record your vote. Please try again

Most Recent Customer Reviews