









💧 Sip Smart, Stay Ready: The Ultimate Portable Water Filter for Every Adventure
The Membrane Solutions Straw Water Filter S1 is a compact, NSF triple-certified filtration straw that removes 99.9999% of harmful bacteria and contaminants. Featuring a 5-stage filtration system with a 0.1 micron pore size, it delivers clean, great-tasting water at a flow rate of 500 ml/min. Lightweight and durable, it fits most bottles and supports up to 1,320 gallons of filtered water, making it an essential gear for hiking, camping, travel, and emergency preparedness.













| ASIN | B07SYYQZDN |
| Best Sellers Rank | #88 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #2 in Camping & Hiking Water Filters |
| Brand | Membrane Solutions |
| Brand Name | Membrane Solutions |
| Capacity | 1320 Gallons |
| Container Type | Bag,Bottle |
| Customer Reviews | 4.7 out of 5 stars 13,283 Reviews |
| Global Trade Identification Number | 00850071881745 |
| Included Components | 4 Pack Blue Personal Water Filter, Instruction Manual, Single Package Per |
| Installation Type | Personal Container |
| Item Dimensions L x W x H | 3.5"L x 3.5"W x 7.4"H |
| Item Weight | 2 Ounces |
| Manufacturer | Membrane Solutions |
| Material | Plastic |
| Material Type | Plastic |
| Maximum Flow Rate | 500 Milliliters Per Minute |
| Model Name | gear |
| Model Number | water filter straw |
| Other Special Features of the Product | Effectively eliminates up to 99.9999% of total coliforms (including E. coli and other representative organisms). Certified efficacy against: Escherichiacdli ATCC 25922 & Klebsiella terrigena 190737: 99.9999%% Staphylococcus aureus ATCC 6538 & Salmonella typhimurium ATCC 14028: 99.999% Vibrio cholerae FSCC 23209: 99.99%, NSF/42 (for chlorine & taste improvement), NSF/372 (lead-free materials)… |
| Power Source | Non Electric |
| Product Dimensions | 3.5"L x 3.5"W x 7.4"H |
| Purification Method | 5-Stage: Hollow Fiber Ultra Membrane, Activated Carbon Filter, Double PP Cotton Fiber, Coarse Filter |
| Special Feature | Effectively eliminates up to 99.9999% of total coliforms (including E. coli and other representative organisms). Certified efficacy against: Escherichiacdli ATCC 25922 & Klebsiella terrigena 190737: 99.9999%% Staphylococcus aureus ATCC 6538 & Salmonella typhimurium ATCC 14028: 99.999% Vibrio cholerae FSCC 23209: 99.99%, NSF/42 (for chlorine & taste improvement), NSF/372 (lead-free materials), NSF/401 (reducing microplastics and particulate) Special Feature Effectively eliminates up to 99.9999% of total coliforms (including E. coli and other representative organisms). Certified efficacy against: Escherichiacdli ATCC 25922 & Klebsiella terrigena 190737: 99.9999%% Staphylococcus aureus ATCC 6538 & Salmonella typhimurium ATCC 14028: 99.999% Vibrio cholerae FSCC 23209: 99.99%, NSF/42 (for chlorine & taste improvement), NSF/372 (lead-free materials), NSF/401 (reducing microplastics and particulate) See more |
| Supported Water TDS Level Maximum (PPM) | 1000 |
| UPC | 850071881745 |
| Unit Count | 4.0 Count |
C**R
If you explore the outdoors, you need one in your pack!
The straws are exactly what I expected. I love the quality and functionality. We made a survival kit to add to each of our kids hiking packs. These are lightweight and portable and could definitely save you in a bad situation on the mountain.
A**S
Great item
Haven’t had to use them yet I haven’t opened them, but I’m sure they’re worth the money
J**.
Great value. Peace of mind.
The product is just as described. Well packaged. I purchased the 4 pack and it was an excellent value. Very lightweight, fits in my pocket or backpack, water flows without having to have lungs of steel.
A**R
A necessity for hiking, camping, emergencies and a “Go-Bag”.
Have not actually used. Ratings indicate a good product. We have them on-hand in case of need.
L**8
Great for Emergencies — Peace of Mind!
I bought this water filter just in case of an emergency, and it gives me a lot of peace of mind knowing it’s ready if we ever need it. It feels sturdy, well-made, and compact enough to store easily. I haven’t had to use it yet, but it’s reassuring to have a reliable option for clean water in a pinch. Pros: • Compact and portable • Well-made and sturdy • Gives peace of mind for emergency situations Cons: • None so far — haven’t used it in an actual emergency yet Overall, a solid choice for anyone looking to be prepared for unexpected situations.
E**E
Good stuff
Good product. Works great. Shipped fast. Threw them into the go bags
M**N
Good to have
Tried these on a puddle in my yard worked grate so I threw them in our bug out bags for a fourth and finale water source 1400 gallons of water isn't bad eather
D**M
Just in case
Haven't used them, but they're a cheap peace of mind if you were to be in an emergency situation or lose your water filter on a hike/camp.
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