
HydraPak Seeker Water Reservoir 4L
- About 1,500 liters filter life
- Over 1 L per minute flow
- Hollow fiber ultra filtration
- 99.9999% bacteria, 99.999% cysts and microplastics
- 32F to 140F water temperature range
- Filter cap included
Updated 20 days ago · Based on the Amazon listing and published specifications, not hands-on testing.
A larger collapsible reservoir with a hollow fiber filter cap for group camps and emergency kits. Viruses are not covered, and keep water above freezing when filtering.
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ASIN: B0C48R3YNCCategory: Camping Water Filters
Overview
Hauling camp water for a group, then filtering it on demand, is what the HydraPak Seeker handles. The hollow fiber filter cap threads onto the wide opening, and the TPU bag crushes into a storage bag when empty.
Group capacity in a packable bag is why to buy it, suited to base camps and emergency kits where a single bottle runs dry fast. It does not address viruses, and freezing water inside the filter is outside its listed range.
Who it's for
Families, group campers and preppers storing water will use the capacity. Solo ultralight hikers will find a smaller bottle lighter and simpler.
Pros and cons
- Hollow fiber filter cap included
- Packs small when empty
- Takes warm water
- Lashpoints for strapping down
- Virus removal not listed
- Filter not for frozen water
Performance notes
Hollow fiber membranes strain out bacteria, cysts and microplastics through tiny pores, and flow drops as those pores fill with sediment. Pre settling dirty water helps the filter last. Frozen water can damage hollow fibers, which is why the range starts at freezing.
Specifications
| Brand | HydraPak |
|---|---|
| Dimensions & fit | |
| Thread size | 42mm opening |
| Capacity & performance | |
| Maximum Flow Rate | Over 1 L per minute |
| Upper Temperature Rating | 140 F (60C) |
| Lowertemperature Range | 32 F |
| Filter Life Cycle | About 1,500 liters |
| Construction & materials | |
| Material Type | TPU |
| Included components | |
| Included Components | Filter cap, storage bag |
| Other details | |
| Purification Method | Hollow fiber membrane, ultra filtration |
| Container Type | Bag |
| Removal rating | Bacteria 99.9999%, cysts 99.999%, microplastics 99.999% |
Frequently asked questions
Can I fill the HydraPak Seeker with hot water?
Yes, up to 60C/140F. The listed lower limit is 32F.
What filter comes with the Seeker?
A filter cap using hollow fiber membrane ultra filtration.
How long will the Seeker filter last?
About 1,500 liters.