How to Choose a Water Filter or Purifier

A global traveler's dream, this first generation, discontinued Grayl GeoPress water filter/purifier bottle helps protect you from viruses, protozoa, bacteria, particulates, chemicals and heavy metals.

















Imported.
View all Grayl Water Bottle Purifiers| Best Use | Travel |
|---|---|
| Filter Type | Bottle Press |
| Filter Medium | Electro absorption/activated carbon |
| Removes/Destroys | Protozoa, Bacteria And Viruses |
| Pump Strokes per Liter | 1.4 |
| Output | 24 fl. oz. per 8 sec. (5 L per min.) |
| Housing Material | Polypropylene plastic |
| BPA Free | Yes |
| Dimensions | 10.4 x 5.6 x 3.4 inches |
| Rechargeability | Non-rechargeable |
| Weight | 15.9 ounces |
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I purchased this bottle 1.5 years ago for use as my main clean water source in tropical hot and humid third world countries. The bottle shape has warped likely due to the hot/humid climates I serve in, so the suction isn't as good and it no longer functions as well as it used to. It leaks from both the top and the bottom. I have used this bottle frequently over the last 1.5 years and I am already having issues with it since they claim it will last for 10 years. On a positive note, I have not developed any water-borne illnesses since utilizing this bottle, so it seems to filter well.
I used this bottle while traveling to Southeast Asia because tap water is unsafe to drink and bottled water is recommended. I was never sick on my trip and avoided buying and throwing away multiple plastic bottles per day. The Grayl bottle is super easy to use and I was able to refill throughout the day.
I have had and used my Grayl for 2 years now on multiple trips. It serves great!! I have had several other filter / purifier products that pump or squeeze water and the Grayl is FAR superior in performance. I replaced the filter last month after the press became a bit slow. This product does its job in keeping me hydrated from rivers streams or springs. With 24 oz I don’t even carry a separate water bottle when hiking along streams or rivers. What a great and innovative product!
Best purifier for backpacking. If filter can be used more, it will be unbeatable. Maybe company consider back flushing (if possible).
It works, and the taste is great. However... Grayl says that you'll know that you need a new filter when its more difficult to press down and takes 30 seconds of pushing, but it was like that from the first try. I've only used it about 3 or 4 times, and its been like that the whole time. I'm a strong person and used it the way videos tell ya to. I don't know if I should just get a new filter for it but it seems wrong to have to do that immediately. But I also don't think I should keep using it if I'm afraid that the filter is faulty...
This was a real disappointment! I wanted to like it but it was hard to handle and is not suitable for long term travel. It makes a very poor water bottle when the filter is not used. I believe it be a good choice for short term wilderness trips.
Extremely convenient, easy to use, simple. It is heavier than a Nalgene but not enough to matter for me. The pros far out weigh the con. The only con i could come up with is weight.
It’s a grayl, what more can I say? Works well and the stealth black looks great.