This is the best hydration system out. Easy 3L refillable bag, unlike camel pack. Plenty of storage for a all day adventures and comfortable/breathable. Very easy cleaning and…
- nick, 05/29/13

I've owned many filters (the original Katadyn, First Need, Sweetwater), and used others. Aqua Mira tabs and Potable Aqua have graced my pack. I have boiled water. Until last y…
- Peter, 06/04/13
Arnold

I got my first Platypus bladder over ten years ago, and I have used the fire out of it! I used to fill it about three-quarters full of water and then freeze it. I haven't bo…
- Cooper, 06/09/09
North Western Kentucky

Honestly, as far as hydration packs go this thing basically takes the cake. Its not a hydration "pack" in and of it self exactly, but rather a fully insulated bladder equiped…
- Joshua, 02/10/11

I just recently took this on a trip to RMNP and I have to say it's very easy to use. It's a little slow to filter water but you basically hang it up and forget it for a while…
- Oscar, 04/29/13

We(3 buddies and myself) took this filter into the Enchantments, in Washington state. It easily kept clean water coming all weekend long. The flow rate is respectable, and no…
- james, 08/24/12

Purchased the gravity flow about two years ago... Works flawlessly. Ive filtered extremely dirty water and have never had problems with flow rate. When flow decreases a quick…
- Travis, 01/20/13
Tacoma

Purchased the gravity works about two years ago.... Absolutely no complaints. Maintains great flow even filtering extremely dirty water. When flow does slow a bit, a quick bac…
- Travis, 01/20/13
Tacoma