Emergency Water Filter Straw – 0.01 Micron Filter with Gravity Kit & Backflush
Emergency Water Filter Straw – 0.01 Micron Filter with Gravity Kit & Backflush
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Details
0.01 micron membrane · No batteries · Gravity kit included
Clean Drinking Water From Streams, Lakes and Puddles
When the tap stops, or there is no tap at all, the water around you is often a stream, a ditch or a puddle. This pocket-sized filter straw lets you drink from it directly. It filters out sand, mud and silt, then traps the bacteria and protozoa you cannot see. No power, no batteries, no chemicals, and it comes with a full kit so you can also filter into a pot or bottle hands-free.
Why it matters
Water problems rarely give a warning
A blackout does not always shut off the water straight away, but it can. Homes on well water rely on an electric pump, so no power can mean no water, even when the pipes are fine.
On city water, floods, storm damage and broken water mains can make tap water unsafe even when the power stays on. That is why boil-water advisories so often follow floods and water main breaks.
And sometimes you are not at home at all: an evacuation, a flooded road or a long wait in the car can leave you hours or days away from a faucet, with only the water that is around you. This straw is made for exactly those moments.
How it works
Four layers of purely mechanical filtration
Water passes through four layers on its way to the mouthpiece. Nothing chemical, nothing electric: the dirt is simply held back.
- Coarse filtering screen: catches sand, mud and debris before they reach the membrane. This is what keeps the straw working in murky, real-world water.
- PP cotton layer: traps fine sediment and micro-particles.
- Flow stabilisation layer: spreads the water pressure evenly across the membrane, so the draw stays steady from the first sip to the last. It also keeps the straw easy to use for children and older adults, without hard sucking.
- 0.01 micron hollow fibre membrane: thousands of tiny fibres physically block bacteria, protozoa and microplastics. The membrane is about ten times finer than many 0.1 or 0.2 micron hiking straws and is rated to remove 99.99% of bacteria and protozoa.
What it filters
Made for the water you actually find
Most filter straws are built for a few hours on a clean mountain trail. This one is meant for longer stretches of pulling water from whatever is around your home.
The membrane is designed to block bacteria such as E. coli, Salmonella and cholera bacteria, and protozoa such as Giardia and Cryptosporidium, before they reach your mouth. Clean water comes straight out of the mouthpiece: no 30-minute wait for tablets and no boiling. You find water, you drink.
Three ways to use it
Sip, screw on, or let gravity do the work
Looking after it
Keep the flow strong with a quick backflush
1. Notice the flow slowing down
Over time, dirt collects in the filter and water comes through more slowly. That is normal.
2. Fill the syringe with clean water
Use already filtered or clean water, never untreated water.
3. Push it through the mouthpiece
Press the clean water backwards through the straw. The dirt flushes out of the bottom end and the flow comes back.
4. Store it dry
Let the straw dry before putting it away, and keep it away from freezing temperatures.
Small but long-lasting
About 57 g, up to 6,800 litres
The straw fits in the palm of your hand and is light enough for children to carry their own. One straw can filter up to about 6,800 litres (1,800 US gallons) of water. That is enough to filter about 3.8 litres (1 gallon) every day for five years.
There is no expiry date as long as it is stored dry and frost-free. It has no batteries that can run flat, so it can sit in a kitchen drawer, a car or a go-bag and work the same in year one as many years later.
- No power needed: works during blackouts, with no batteries, charging or chemicals.
- BPA-free polypropylene: no strange taste and no added chemicals.
- Easy to carry: for emergency kits, hiking, camping and travel.
Who it is for
One for everyone you care about
Families keep one for every person in the house, one in each car and one for the grandparents, so everyone has a way to get drinking water if something happens. Every straw comes with its own filtration kit, so each person has the whole setup.
It is just as handy for hikers, campers and anyone who likes to be prepared.
Honest about its limits
What a filter straw does not remove
No hollow-fibre filter straw removes viruses, chemicals or heavy metals, and this one does not either. For full coverage, combine it with purification tablets or UV treatment for viruses, and a carbon or reverse-osmosis filter for chemicals.
The gravity kit changes how water gets through the straw, not what the straw filters out.
Questions people ask
Does it need power or batteries?
No. It is purely mechanical. It works the same during a blackout as on a sunny day.
How much water can one straw filter?
Up to about 6,800 litres (1,800 US gallons).
Does it expire?
There is no expiry date when you store it dry and away from freezing temperatures.
Can children use it?
Yes. The flow stabilisation layer keeps the draw easy, so children and older adults can use it without hard sucking.
What do I do when the flow gets slow?
Backflush it: fill the syringe with clean water and push it through the mouthpiece. The dirt comes out of the bottom and the flow returns.
Does it fit my water bottle?
The threaded cap fits most standard water bottles.
Does it remove viruses or chemicals?
No. Like all hollow-fibre straws, it does not remove viruses, chemicals or heavy metals. Use purification tablets or UV for viruses and a carbon or reverse-osmosis filter for chemicals.
Specifications
- Filter: 4 layers: coarse screen, PP cotton, flow stabilisation layer, 0.01 micron hollow fibre membrane
- Capacity: up to about 6,800 litres (1,800 US gallons) per straw
- Weight: about 57 g (2 oz)
- Material: BPA-free polypropylene
- Power: none needed
- Storage: dry and frost-free, no expiry date
What's in the box
- 1 × emergency water filter straw
- 1 × water pouch
- 1 × hose
- 1 × backflush syringe
- 1 × lanyard and 2 × clips