Gravity Water Filter System
A portable gravity-fed water kit. Fill the bag, hang it from a tree, and let gravity do the work. No pump needed.
- ✓3L (96 oz) bag — marked BPA free
- ✓Three ways to use it — sip directly, run it off the bag, or fit it to a bottle
- ✓Hangs anywhere — tree strap and carabiner included
- ✓Packs into one bag — storage bag included
Your FREE eBooks
1 free eBook with your kit
The Trail Water HandbookIncluded
Trail Water Setup ChecklistUnlocks with 2 kits
Care & Storage GuideUnlocks with 3 kits1 kit = 1 free eBook · 2 kits = 2 · 3 or more kits = all 3
Water on your terms
Hang the bag, connect the filter and fill your bottle, wherever the trail ends.
- No pump or power needed
- Hangs from a tree or branch with the strap and carabiner
- Packs into the included storage bag
Use it your way
One kit, three setups. Choose what suits the trail, the campsite or a day out.
Sip directly
Use the filter straw on its own and drink straight from it.
Run it off the bag
Connect the extension tube and let gravity feed water from the hanging bag.
Fit it to a bottle
The expansion interface lets you attach it to a bottle.
Packs down small
Roll the bag up and everything fits in the included storage bag, ready to clip to a backpack.
- Storage bag included
- Easy to carry on the trail
Everything in one set
The parts you need to hang it, connect it and carry it.
- 3L (96 oz) TPU water storage bag
- Water filter straw
- Extension tube, 29.5 inches
- Shut-off clamp
- Tree strap and carabiner
- Expansion interface for bottles
- Storage bag
Set up in four steps
See the instructions in the box for full details.
Specs
Read the included instructions for how to use and care for the filter.
Our promise to you
Simple, clear terms so you know what to expect.
Frequently asked
Does it need power or a pump?+
No. It is gravity-fed. Hang the filled bag higher than the filter and the water flows down on its own.
Can I drink straight from the filter straw?+
Yes. You can use the filter straw on its own and drink from it directly, or connect it to the bag or a bottle.
What is the filter rated for?+
Please read the instructions and specifications that come with the filter for what it is rated for, and how to use it correctly. Don't use it for water you know to be chemically contaminated.
How do I clean and store the bag?+
Clean it with mild detergent and rinse thoroughly. Make sure it is completely dry, inside and out, before storing, and keep it away from extreme heat or cold, harsh chemicals and sharp objects.
Can I connect it to a bottle?+
Yes. The expansion interface in the kit is there so you can attach it to a bottle.