Quick Summary
The Membrane Solutions Personal Water Filter Straw Survival S1 is a blue 4 pack of personal water filter straws. It is presented as a portable filter with 5-stage filtration and NSF certification details, so the exact version and pack quantity matter when comparing offers.
The stated design includes a 0.1 micron filter pore size, a flow rate of 500 ml/min and removable ends for cleaning. The product is also described as suitable for use with a soft water pouch, squeeze bag or disposable water bottle.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Membrane Solutions |
| Product type | Personal water filter straw |
| Model | Survival S1 |
| Colour | Blue |
| Pack quantity | 4 pack – check the selected offer matches the quantity you need. |
| Filtration | 5-stage filtration with activated carbon and a hollow fibre ultrafiltration membrane. |
| Filter pore size | 0.1 microns. |
| Flow rate | 500 ml/min. |
| Cleaning | Both ends are removable for cleaning. |
| Certifications | NSF/ANSI 42, 372 and 401 are stated. |
| Length | 7.1 in. |
| Diameter | 1 in. |
| Weight | 2 oz. |
What to Compare Before Buying
- Pack quantity: This version is a 4 pack. Compare that with how many straws you want for your own use, a group, or spare units.
- Filtration specification: The product states 5-stage filtration and a 0.1 micron pore size. Check that these details match the type of water treatment you want.
- Connection method: It is stated to work with a soft water pouch, squeeze bag or disposable water bottle. Confirm that your planned container matches this setup.
- Size: The stated length and diameter affect how you carry and store it.
- Cleaning and ownership: Removable ends for cleaning suggest regular care is part of ownership, so check whether that suits how you plan to use it.
Compatibility, Size and Fit
The product is stated to connect with a soft water pouch, squeeze bag or disposable water bottle. That makes the container connection an important check before buying. Compare the connection setup on your chosen water source with the filter straw arrangement before choosing an offer.
The stated size is 7.1 in long and 1 in in diameter, with a weight of 2 oz. Those measurements matter if you want to pack it with other outdoor or travel items.
What Else You May Need
You will need a compatible soft water pouch, squeeze bag or disposable water bottle if you want to use the filter in the stated way. The filter straw itself is the main item, but the water source connection is part of the setup.
Important Limitations
The product is stated not to lower TDS value, so it is not presented as a TDS-reducing filter. Its use should be judged against the type of water treatment you actually need.
The listed certifications and performance figures should be checked against the exact product variant and intended use before purchase.
Before You Decide
Confirm the blue 4 pack version is the one you want, then check the container connection you plan to use. If pack quantity, size, or the stated filtration setup matter to your decision, compare those details before choosing an offer.
