Quick Summary
The Membrane Solutions Survival S1 is a personal water filter straw in blue, supplied as 1 pack. It is a portable drinking-water filter with a 5-stage filtration system, a 0.1 micron pore size and a stated flow rate of 500 ml/min.
The product description also states that it is suitable for use with a soft water pouch, squeeze bag or disposable water bottle. If those connection options matter to your setup, check the exact configuration before choosing an offer.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Membrane Solutions. Useful for confirming the exact model range. |
| Model | Survival S1. Helps distinguish this filter straw from other versions. |
| Product type | Personal water filter straw. This is the main product format to compare. |
| Colour | Blue. Check this if colour matters to your purchase. |
| Pack quantity | 1 pack. Confirm the quantity matches what you want to buy. |
| Filtration system | 5-stage filtration with activated carbon and a hollow fibre ultrafiltration membrane. |
| Pore size | 0.1 microns. A key specification when comparing filter straws. |
| Flow rate | 500 ml/min. Useful if the rate of water flow matters to you. |
| Length | 7.1 in. Check space and handling if size matters. |
| Diameter | 1 in. Helps judge how compact the filter is. |
| Weight | 2 ounces. Relevant if you want a lighter item to carry. |
| Stated lifespan | Up to 1,320 gallons (5,000 litres). |
| Connection options | Suitable for a soft water pouch, squeeze bag or disposable water bottle. |
What to Compare Before Buying
- Pack quantity: This is a 1 pack item, so confirm that you only need a single filter straw.
- Connection options: It is stated to suit a soft water pouch, squeeze bag or disposable water bottle. Check that your chosen setup matches one of those formats.
- Filtration specification: The stated 5-stage system, 0.1 micron pore size and 500 ml/min flow rate are the key technical points to compare with other filters.
- Size and weight: At 7.1 in long, 1 in in diameter and 2 ounces, it is worth checking whether those figures suit your carrying or storage needs.
- Longevity: The stated lifespan is up to 1,320 gallons (5,000 litres), which is a useful figure if replacement frequency matters to you.
What Else You May Need
A soft water pouch, squeeze bag or disposable water bottle is needed if you want to use the filter with the connection formats named for this model.
Before You Decide
Confirm that the blue Survival S1 is the exact version you want, and check the pack quantity before buying. If you plan to use it with another water container, make sure the connection type matches your setup. The stated size, weight and filtration figures are the main practical checks for this model.
