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Deal.ai › Sagan Life › Outdoors
Sagan Life
Xstream Straw Water Purifier
Sagan Life

Xstream Straw Water Purifier

Best price now

$59.99at Mother Earth LivingChecked 1 h ago

Compared across 7 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Best price today: $59.99 at Mother Earth Living (checked Nov 11, 2026).
  • Checked at 7 stores.

Our take on the Xstream Straw Water Purifier

The Xstream Straw is a hollow-fiber filter straw with a two-foot drinking tube and a two-foot extension, so you can drink from a stream bank or boat without kneeling in the mud. It claims 99.9999% bacteria, 99.99% protozoa and 99.99% virus removal over a 250-gallon life, with no chemicals, batteries or moving parts. That virus claim puts it above most straw filters, which handle bacteria and protozoa but not viruses. It suits hikers, travelers and emergency-kit builders who want a light backup; it is not a gravity or pump system for filtering water for a group.

Best forUltralight backpackers wanting a backup filterTravelers to places with questionable tap waterEmergency and disaster kitsDrinking from a bank, dock or boat without kneeling
Pros
  • Long reach: 24-inch straw plus 24-inch extension
  • No chemicals, batteries or moving parts
  • Claims virus removal, which many straw filters lack
  • Light enough to pocket without the pump
  • Fast flow straight from the source
Cons
  • 250-gallon life is short next to pump and gravity filters
  • Straw-only design means one drinker at a time
  • No prefilter, so silty water clogs the fibers faster
  • Extension and pump add bulk and weight
  • No indicator for when the filter is spent

Xstream Straw Water Purifier prices at every store

  • Mother Earth LivingNew

    In stock

    $59.99Checked 1 h ago
    Visit Mother Earth Living
  • Sagan LifeNew

    In stock

    $79.99Free shippingChecked 1 h ago
    Visit Sagan Life
  • Sagan LifeNew

    In stock

    $79.99Checked 1 h ago
    Visit Sagan Life
  • EarthTech ProductsNew

    In stock

    $55.00+ $31.10 shippingChecked 1 h ago
    Visit EarthTech Products
  • CountrysideNew

    Availability unknown

    $64.99Checked 1 h ago
    Visit Countryside
  • WalmartNew

    Availability unknownSold by Kelly Kettle USA

    $67.95Checked 1 h ago
    Visit Walmart
  • Thrivalist | Life PreparedNew

    Availability unknown

    $77.99Checked 1 h ago
    Visit Thrivalist | Life Prepared

Store links may earn us a commission.

Xstream Straw Water Purifier price history

Lowest price we've seen: $55.00 on Nov 11 at EarthTech Products. Tracked across 7 stores since Nov 11.

About the Xstream Straw Water Purifier

The Xstream Straw Water Purifier is a filter straw for drinking water while camping, hiking, traveling, and in emergencies. It purifies water without iodine, chlorine, or other chemicals. It has no moving parts and needs no batteries, and it filters up to 250 gallons of contaminated water.

The mouthpiece comes with a 24-inch straw, and an additional 24-inch extension straw brings the total to 48 inches. This length lets you drink from a stream bank, a lake, or over the side of a boat without lying on your stomach. The straw is lightweight and compact enough to fit in a jacket pocket or small pack.

It removes 99.9999% of bacteria such as E. coli, 99.99% of protozoa such as cryptosporidium and giardia, and 99.99% of viruses. It is for use with any non-salt water source.

Straw length
24 inches
Extension
Additional 24 inches
Total length
48 inches with extension
Weight
5 oz without pump, 9 oz with pump
Filter capacity
Up to 250 gallons
Bacteria removed
99.9999%, such as E. coli
Protozoa removed
99.99%, such as cryptosporidium and giardia
Viruses removed
99.99%
Power
None; no batteries required
Water sources
Any non-salt water

Questions and answers

Does it really remove viruses?
Sagan Life claims 99.99% virus removal along with 99.9999% bacteria and 99.99% protozoa. That is a stronger claim than most hollow-fiber straws make, which usually stop at bacteria and protozoa. Treat the figures as the maker's own test results.
How long does the filter last?
The rated life is 250 gallons, roughly a year of typical hiking use. That is shorter than many pump and gravity filters, which often run to 1,000 gallons or more. Replace it once flow drops noticeably.
Can I use it in muddy or silty water?
It works best in clear-ish water. There is no prefilter, so heavy sediment clogs the fibers and slows flow. Let sediment settle first or prefilter through cloth when the water is dirty.
How do I drink from it without lying down?
The mouthpiece sits on a 24-inch tube, and the included extension adds another 24 inches. You can stand on the bank, a dock or a boat and dip the filter end into the water. Total reach is 48 inches.
Does it need batteries or chemicals?
No. It is a hollow-fiber mechanical filter with no moving parts, no batteries and no iodine or chlorine. Nothing to charge and nothing to mix.
What is in the box?
The straw with mouthpiece and 24-inch tube, plus a 24-inch extension straw. A pump version is sold separately and adds about 4 ounces.
Where is the Xstream Straw Water Purifier cheapest?
At Mother Earth Living, for $59.99, as of our latest check.
Where can I buy the Xstream Straw Water Purifier?
6 stores we checked sell it, including Mother Earth Living, EarthTech Products, Countryside, Walmart, Thrivalist | Life Prepared.

Stores we've priced the Xstream Straw Water Purifier at

  • Walmart deals and prices

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