What does the 0.1 micron membrane actually remove?

It reduces sediment, sand, silt, rust and other fine particulates, which improves clarity and taste. It is not rated for viruses, dissolved chemicals or heavy metals.

How long does the filter last?

The listing calls it long-lasting and reusable but gives no liter rating. Life depends on how dirty the source water is, so plan on replacing it sooner if you filter silty water often.

Can I use it on any outdoor water?

It is meant for natural sources like streams, lakes and rivers. For questionable or chemically contaminated water, pair it with purification tablets or another treatment step.

One water filter straw plus essential maintenance accessories and an emergency whistle.

Is it good for a group?

It is a personal filter, so each person needs their own straw or a shared gravity or pump system. For two or more people, a pump or gravity filter moves water faster.

How do I keep it working?

Backflush and dry it after trips as the included accessories allow, and store it dry. A clogged membrane slows flow, so clean it before long trips.

High-Capacity Survival Water Filter Straw Kit with Emergency Whistle

Best price now

$18.00at SOTARChecked Nov 10

Prices are checked against each store and labelled with when.

Visit SOTAR

High-Capacity Survival Water Filter Straw Kit with Emergency Whistle

Best price now

$18.00at SOTARChecked Nov 10

Prices are checked against each store and labelled with when.

Visit SOTAR

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Price facts

Last seen at $18.00 at SOTAR on Nov 10.

Our take on the High-Capacity Survival Water Filter Straw Kit with Emergency Whistle

This is a 2 oz personal water filter straw built around a 0.1 micron hollow fiber membrane. It reduces sediment, sand, silt, rust and other fine particulates from streams, lakes and rivers, and the kit adds a whistle and basic maintenance accessories. It suits solo hikers, backpackers and anyone building a bug-out or car emergency kit who wants a light, packable backup for drinking water. Against pump filters and gravity systems it is simpler and lighter, but it has no pump, no reservoir and no virus or chemical removal claim, so it is a particulate filter rather than a full purification system.

Best forSolo hikers and backpackers packing lightBug-out bags and car emergency kitsHunters and anglers drinking from streamsBackup water filter for travel

Pros

Weighs about 2 oz and fits a pocket or EDC pouch
0.1 micron hollow fiber membrane cuts sediment and silt
Reusable for repeated trips
Kit includes a whistle and maintenance accessories
BPA-free, food-grade materials

Cons

Filters particulates only; no claim for viruses, chemicals or heavy metals
No pump or reservoir, so you drink straight from the source
No filter life indicator or micron rating for how much it processes
Capacity depends on water turbidity, which the listing does not quantify

High-Capacity Survival Water Filter Straw Kit with Emergency Whistle prices at every store

SOTARNew
In stock
$18.00Checked Nov 10
Visit SOTAR

High-Capacity Survival Water Filter Straw Kit with Emergency Whistle price history

Lowest price we've seen: $18.00 on Nov 10 at SOTAR. Tracked across 1 store since Nov 10.

From SOTAR

Ultra-lightweight 2oz personal water filter straw
Compact, pocket-sized design fits in bug-out bags, EDC kits and car emergency kits
Reusable, long-lasting high-capacity filtration for extended outdoor use
0.1 micron hollow fiber membrane reduces sediment, sand, silt, rust and fine particulates
Improves water clarity and taste from streams, lakes and rivers
1-pack kit includes essential accessories for easy maintenance

Materials: BPA-free, food-grade materials
Packs: 1 pack
In the box: 1-pack water filter straw kit with essential accessories for easy maintenance, Emergency whistle

About the High-Capacity Survival Water Filter Straw Kit with Emergency Whistle

This is a personal water filter straw that weighs 2 oz. Its compact, pocket-sized design fits in bug-out bags, EDC kits and car emergency kits. It is made from BPA-free, food-grade materials.

A 0.1 micron hollow fiber membrane reduces sediment, sand, silt, rust and other fine particulates. It improves water clarity and taste from natural sources such as streams, lakes and rivers.

The filter is reusable and built for repeated, extended outdoor use. The 1-pack kit includes accessories for easy maintenance and an emergency whistle.

Weight: 2 oz
Filtration: 0.1 micron hollow fiber membrane
Reduces: Sediment, sand, silt, rust and fine particulates
Material: BPA-free, food-grade materials
Reusable: Yes
Design: Compact, pocket-sized
In the box: 1 water filter straw, maintenance accessories, emergency whistle

Questions and answers

What does the 0.1 micron membrane actually remove?: It reduces sediment, sand, silt, rust and other fine particulates, which improves clarity and taste. It is not rated for viruses, dissolved chemicals or heavy metals.
How long does the filter last?: The listing calls it long-lasting and reusable but gives no liter rating. Life depends on how dirty the source water is, so plan on replacing it sooner if you filter silty water often.
Can I use it on any outdoor water?: It is meant for natural sources like streams, lakes and rivers. For questionable or chemically contaminated water, pair it with purification tablets or another treatment step.
What is in the kit?: One water filter straw plus essential maintenance accessories and an emergency whistle.
Is it good for a group?: It is a personal filter, so each person needs their own straw or a shared gravity or pump system. For two or more people, a pump or gravity filter moves water faster.
How do I keep it working?: Backflush and dry it after trips as the included accessories allow, and store it dry. A clogged membrane slows flow, so clean it before long trips.
Where is the High-Capacity Survival Water Filter Straw Kit with Emergency Whistle cheapest?: At SOTAR, for $18.00, as of our latest check.

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