One membrane microfilter · Dark Mountain Gray · LSPSMEMR1OUTDOORSOutdoors
Replace the filter. Keep the reservoir.
LifeStraw Peak Replacement Microfilter
One membrane microfilter · Dark Mountain Gray · LSPSMEMR1
Buyer feedback ↓A replacement membrane for compatible Peak squeeze and gravity systems, supplied without a bottle or reservoir.
- Peak seriesSystem compatibilityCollapsible squeeze and gravity microfilter systems
- 1 filterIncludedBottle, reservoir and hose are separate
- BackwashableFlow maintenanceUse the system’s clean-water backwash procedure
Listing unavailable
Amazon US · One membrane microfilter · Dark Mountain Gray · LSPSMEMR1 · Retailer link
THE QUICK TAKE
Is it right for you?
Choose it when your compatible Peak reservoir is still sound and its filter needs replacing. You keep the bottle or gravity setup you already know instead of buying the entire system again.
Skip it for a LifeStraw Go bottle or a need for virus protection. This is a specific membrane microfilter, not a universal LifeStraw cartridge. It does not remove viruses or dissolved salt, and slow flow may first need proper cleaning.
01 / BUYING NOTES
Before you buy.
LifeStraw Peak Replacement Microfilter product details ↗ · Exact Amazon listing ↗
02 / AMAZON REVIEWS
The buyers’ view.
What buyers like
- filtration22
- ease of use7
Mixed feedback
- filtration speed7
- taste7
The small numbers are review mentions. Topics and sentiment are from Amazon’s customer-review overview.
Amazon US · Checked . Ratings may include other colors and sizes.
View source ↗03 / REVIEWS & VIDEO
See it in use.
See how it works, then read the findings behind the buying advice.
Set up and maintain a Peak squeeze system
See the filter connection and backwashing process; the reservoir shown is not supplied with this replacement.
Watch on YouTube ↗Video and written sources are labeled by creator and tested scope. Manufacturer demonstrations explain use; they are not independent tests. No in-house hands-on testing is claimed.
Read 2 written sources Product scope is labeled · key findings in bold
The membrane is replaceable in Peak squeeze and gravity systems. It filters bacteria and parasites, but its microfilter is not a virus-removing purifier.
Reduced flow can come from trapped air, sediment or a dry membrane. LifeStraw advises its cleaning and backwashing procedures before treating every slowdown as a failed filter.
04 / COMPARE
Different priorities.
Choose the tradeoff that fits how you will use it.
Swipe to see every alternative →
THIS GUIDELifeStraw Peak Replacement MicrofilterOne membrane microfilter · Dark Mountain Gray · LSPSMEMR1 | ALTERNATIVELifeStraw Peak Squeeze 650 ml650 ml · Dark Mountain GrayCapacity · 650 mL≈ 1.8 × 12 fl oz cans Capacity · 650 mL≈ 1.8 × 12 fl oz cans | |
|---|---|---|
| Amazon price | —Listing unavailable | $37.95 |
| Best for | Keeping a compatible reservoir in use | Starting without a compatible bottle |
| What changes | Replacement membrane only | Complete Peak squeeze bottle and filter |
| Consider | Check model; backwash before replacing a clogged filter | Includes a reservoir you may not need if yours is intact |
| Explore | Read buying guide →Source ↗ | Read buying guide →Amazon source ↗ |
About these everyday comparisons
Approximate comparisons to familiar objects: a bank card’s 3.37-inch long edge, a Letter sheet’s 11-inch long edge, or a US nickel’s 21.21 mm diameter / 5 g weight. Water comparisons exclude the container’s weight. Capacity comparisons describe volume, not exterior size or how food fits. Reference pictures identify the object; use the labeled ratio for the comparison.
05 / PRICE HISTORY
The price over time.
LifeStraw Peak Replacement Microfilter · One membrane microfilter · Dark Mountain Gray · LSPSMEMR1 · Amazon US
A usable chart for this exact listing was not available at the last check. Open the trackers for available observations.
This chart tracks Amazon’s selling price. Marketplace sellers, coupons and size/color selections can have different prices. Blank periods are missing observations, not a zero price.


