What are the filtration specs?? What particle size does it filter out?

Thanks for the question! The filtration specs and particle size do not apply to Sagan Life filters. Here's why: Most water filters make the filter media with holes small enough that bacteria and virus can’t pass through, like trying to put a tennis ball in a hole the size of a golf ball, it won’t pass through. Our Nano Fiber Technology is impregnated with silver which acts as a magnet, attracting all negatively charged bacteria and virus to the filter media, regardless of the size. This makes the filter more effective and doesn’t require priming or pumping. Additionally, Sagan filters are not as fragile as other filters. Ours can drop or freeze and it won’t ruin the filter. Hope this helps! ~the Sagan Life team

is there backflush capability or replacement filters, or after 250 gallons is that it?

These purifiers should be replaced after about 250 gallons - no backflushing. The replacement filters for the XStream Straw and AquaDrum are available on Amazon - B07D41LCKZ Hope this helps. ~April and the Sagan Life team

How long can we stock it before using it ?

Indefinitely! The XStream Straw can be stored in long term storage and will be ready to use when you need it. Additionally, it can be used - then stored - and used again without any difficulties! Thanks for your question! ~ the Sagan Life team

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Sagan XStream Adjustable Straw Water Filter from 24-Inch to 48-Inch by Sagan XStream Straw Water Filter

Sagan XStream Adjustable Straw Water Filter from 24-Inch to 48-Inch by Sagan XStream Straw Water Filter

Product ID: 53310851

Details

Brand
Sagan Life
Capacity
250 gallons
Included Components
Straw
Installation Type
Personal
Item Weight
6.24 ounces
Material
straw

€ 123.35

Duties & taxes included

In stock

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Description

REMOVES: BACTERIA, VIRUS & CRYPTOSPORIDIUM. Filters 946ltrs (250 gallons) of contaminated water from any non-salt water source.REMOVES: Fluoride and other contaminants
The ONLY FILTER in the World "END OF LIFE" Tested. i.e. Spiked repeatedly until it starts to fail. All other filters spike their filters just ONCE! Just ask to see other manufacturers test results! Some will not even publish them!
Easy to use. Just drop filter into the water and drink through the mouthpiece or, pump clean water using the hand-pump / Share Clean Water With Others / No wait time unlike UV pens / Can be dropped or frozen and will not break unlike ceramic filters / No expiry date. Just drain the filter dry for long term storage / No moving Parts / Nothing to Break.
One filter is the equivalent to 1890 x 500ml bottles of clean water. Sagan - makes any water - safe water. Look for the Aqua Veritas seal of approval which conform that Test Results were performed by independent water laboratories

Sagan XStream Adjustable Straw Water Filter from 24-Inch to 48-Inch by Sagan XStream Straw Water Filter

Specifications

ASIN	B01EIQMVQ2
Best Sellers Rank	#383,776 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #364 in Camping & Hiking Water Filters
Brand Name	Sagan Life
Capacity	250 gallons
Container Type	Bottle
Customer Reviews	3.9 3.9 out of 5 stars (37)
Global Trade Identification Number	00180657001817
Included Components	Straw
Installation Type	Personal Container
Item Weight	6.24 ounces
Manufacturer	Sagan Life
Material Type	straw
Model Name	57092
Model Number	57092
Number of Items	1
Other Special Features of the Product	Portable
Part Number	57092
Power Source	Manual Operation
Purification Method	Ultraviolet
UPC	180657001817
Unit Count	1 Count

Reviews

M**A

Great product, if a little time consuming.

Have used this several times now while wild camping. Filtering as quite slow as relies on expansion of rubber bulb to create suction. However, water tastes good and I have had no tummy upsets, even when drinking directly. It was the ability to filter viruses that convinced me to choose this over other products.

9.06.2019

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