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LifeStraw Peak Squeeze Review

This filter is an excellent choice for lightweight and durable collapsible bottle filtration
LifeStraw Peak Squeeze
Credit: LifeStraw
Top Pick Award
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Price:  $38 List | $37.95 at REI
Pros:  Excellent design and quality, durable and lightweight, versatile filtration options, extended filter life
Cons:  Extra maintenance to maintain microfilter
Manufacturer:   LifeStraw
By Trish Matheny ⋅ Review Editor  ⋅  May 23, 2022
Our Editors independently research, test, and rate the best products. We only make money if you purchase a product through our links, and we never accept free products from manufacturers. Learn more
74
OVERALL
SCORE


RANKED
#2 of 26
  • Water Quality - 20% 8.0
  • Durability & Maintenance - 20% 5.0
  • Treatment Time - 15% 6.0
  • Weight & Packability - 15% 8.0
  • Ease of Set-Up - 15% 9.0
  • Ease of Filtration - 15% 9.0

Our Verdict

If you want a durable and versatile lightweight water filtration system, look no further than the LifeStraw Peak Squeeze. This filter features a 0.2-micron hollow-core membrane microfilter, which protects from bacteria, protozoa, and microplastics. It also offers a versatile design that allows you to drink through the filter directly from a water source or by filling the soft bottle and squeezing the water into your mouth. A sleek design and straightforward setup put this filter at the top of our list as a reliable choice for fast and light backcountry missions.

Compare to Similar Products

 
Awards Top Pick Award Editors' Choice Award Best Buy Award   
Price $38 List
$37.95 at REI
$29.97 at Amazon
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$15.00 List
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Overall Score Sort Icon
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Pros Excellent design and quality, durable and lightweight, versatile filtration options, extended filter lifeLightweight, adaptable, easy to use, lifetime guaranteeLightweight, inexpensive, kills all pathogens (including crypto), reliableEasy to use, lightweight, packableEasy to use, super packable, lightweight, cheap in comparison to other filters
Cons Extra maintenance to maintain microfilterNot great for group use, better if you replace the bagsTakes a long time to kill crypto, slight taste to the water, chemical treatmentNot safe to use long-term, lower value than other chemical treatments, poor tasteMore expensive then other chemical treatment, chlorinated taste, does not kill Crypto
Bottom Line This filter is an excellent choice for lightweight and durable collapsible bottle filtrationSimple filtration that is lightweight and reliable for individual useThese drops are a reliable and lightweight option to carry all over the worldThis can be used as an emergency treatment system, but not much elseThis is the lightest chemical treatment option out there
Rating Categories LifeStraw Peak Squeeze Sawyer Squeeze Aquamira Treatment... Potable Aqua Purifi... MSR Aquatabs
Water Quality (20%)
8.0
8.0
5.0
2.0
1
Durability & Maintenance (20%)
5.0
5.0
10.0
10.0
9.0
Treatment Time (15%)
6.0
9.0
2.0
2.0
2.0
Weight & Packability (15%)
8.0
8.0
9.0
10.0
10.0
Ease of Set-Up (15%)
9.0
7.0
8.0
9.0
9.0
Ease of Filtration (15%)
9.0
8.0
9.0
10.0
10.0
Specs LifeStraw Peak Squeeze Sawyer Squeeze Aquamira Treatment... Potable Aqua Purifi... MSR Aquatabs
Type of Filter/Purifier Squeeze Squeeze, in-line, on-the-go Chemical treatment Chemical treatment Chemical treatment
Measured Weight (entire kit) 3.8 oz 5.7 oz 3.0 oz 2.3 oz 0.1 oz
Number of Liters (L)/Gallons (gal) per Lifetime 2000 L / 500 gal 378,541 L / 100,000 gal 114 L / 30 gal per package 25 L / 6.6 gal 60 L / 16 gal (30 tabs)
Filter Media or Active Ingredient Hollow-core membrane microfilter Hollow fiber Chlorine dioxide Iodine and Tetraglycine Hydroperiodide Sodium dichloroisocyanurate
Effective Against Bacteria? Yes Yes Yes Yes Yes
Effective Against Protozoa? (Giardia,Cryptosporidium) Yes Yes Yes Yes (Giardia = yes; Crypto = no) Yes (Giardia = yes; Crypto = no)
Effective Against Viruses? No No Yes Yes Yes
Effective Against Chemicals? No No No No No
Effective Against Heavy Metals? No No No No No
Removes Particulates (sediment, microplastics)? Yes Yes No No No
Filter Pore Size 0.2 microns 0.1 micron N/A N/A N/A
Advertised Flow Rate 3 L / min 1.7 L / min N/A N/A N/A
Dimensions 9.48 in x 4.8in x 2.67in 11 x 6 in N/A N/A N/A
Storage Capacity (L) 1 L 2 L N/A N/A N/A

Our Analysis and Test Results

The Peak Squeeze is our top recommendation for a collapsible bottle filter, with options to either suck through the filter directly from a stream or fill the collapsible soft bottle and squeeze the water into your mouth. You can also remove the filter and use the bottle for storage if there is a great distance between water sources. The durable, intuitive, and versatile design, as well as the fast flow rate and simple maintenance, made this our favorite option out of all the collapsible bottle filters we’ve tested.

Performance Comparison


LifeStraw Peak Squeeze backpacking water filter - the lifestraw peak squeeze is an exceptional option for lightweight...
The LifeStraw Peak Squeeze is an exceptional option for lightweight filtering on the go.
Credit: Trish Matheny

Water Quality


For this metric, we assess the quality of flavor produced by each filtration system as well as the bacteria, parasites, and protozoa the filter can remove from the water, thereby making it safe to consume. The Peak Squeeze protects against bacteria and protozoa and meets the U.S. EPA and NSF P231 drinking water standards for the removal of bacteria and parasites.


This filter excelled in the more turbid sandstone waters of the Virgin River in Zion National Park, as it also removes silt, sand, and cloudiness greater than 0.2 microns, the size of the filter. However, we did notice a need to backflush after filtering in substantially turbid water. Overall, this versatile and lightweight filter produced fresh and clean water while protecting our testers from the harm of bacteria, protozoa, and microplastics.

LifeStraw Peak Squeeze backpacking water filter - the peak squeeze contains a 0.2-micron hollow-core membrane...
The Peak Squeeze contains a 0.2-micron hollow-core membrane microfilter that removes or destroys bacteria, protozoa, and microplastics.
Credit: Trish Matheny

Durability and Maintenance


For this metric, we assess what each filter requires to remain in top performance and the durability of each component. The Peak Squeeze corrects many of our previous durability complaints with other filters that we’ve tested. The soft collapsible bottle is made of BPA-free plastic, and we experienced no rips or tears during our testing period.


Most water filters require regular backflushing to maintain optimal flow rates, and the maintenance required by the Peak Squeeze is rather straightforward. Simply disconnect the membrane microfilter from the top cap by twisting counterclockwise, attach the backflush syringe, and submerge in fresh water while using the syringe to draw water up and down the other side of the filter. LifeStraw recommends repeating as necessary, and our testers found that after a few backflushes, the filter would return to a faster flow rate.

It is also worth mentioning that LifeStraw recommends that the filter be stored in a saline solution (one teaspoon of salt in purified water enough to cover ) to keep the filter from drying out and preserve the hydrophilic properties of the membrane.

LifeStraw Peak Squeeze backpacking water filter - the backflush adapter used to maintain the filter.
The backflush adapter used to maintain the filter.
Credit: Trish Matheny

Treatment Time


This metric is pretty straightforward as we simply time the filtration process from start to finish and record our notes. While the Peak Squeeze delivered a competitive time, it did not come close to the advertised flow rate of 3 liters per minute. In some instances, it would be difficult to even refill the collapsible bottle three times within one minute from certain shallow water sources. Our testers were more consistently recording 35 seconds to fill one liter of water, and for a lightweight, collapsible option, this time is highly competitive.


Routine maintenance is recommended if you want to maintain the optimal flow rate, especially after filtering in more turbid water sources, like peak spring runoff in the mountains, as the snow is melting at a fast rate, thereby carrying lots of dirt and silt into pristine water sources. While the Peak Squeeze can filter sand and silt, a little maintenance afterward goes a long way to speed up treatment time.

LifeStraw Peak Squeeze backpacking water filter - while our testers never achieved the maximum advertised flow rate...
While our testers never achieved the maximum advertised flow rate, we consistently filtered one liter of water in 35 seconds.
Credit: Trish Matheny

Weight and Packability


For this metric, we romped through the deserts surrounding Zion and Yosemite National Parks, assessing the overall weight and how cumbersome the filter was to pack while not in use. The Peak Squeeze did not disappoint. Weighing in at 3.8 ounces, including the filter and soft bottle, this filter is not as light as other ultralight options that we tested; however, it is worth its weight in gold due to the versatility and durability of the filtration system.


Easily fitting into the chest pocket of an ultralight trail running vest or in the side pocket of a larger backpacking pack, these few ounces aren’t enough to register when you’re moving through the mountains. While our testers love the larger size, it is also worth noting that if you are looking for a smaller option, the LifeStraw Peak Series also offers a 650ml bottle that weighs even less, at 3.2 ounces. In our opinion, carrying an extra ounce or two is worth the consistency and durability you’ll find in this lightweight and collapsible option.

LifeStraw Peak Squeeze backpacking water filter - this collapsible bottle that packs down into the palm of your hand...
This collapsible bottle that packs down into the palm of your hand when not in use.
Credit: Trish Matheny

Ease of Setup


For this metric, we note the ease of assembling each product out of the box and beginning the filtering process. The Peak Squeeze scores well in this category due to its no-fuss setup. We love the streamlined design, only containing a soft bottle, backflush syringe, and hollow-core membrane microfilter. If you’re planning to use this filter as a straw, where you simply place the filter in the open stream and suck water directly through the filter and into your mouth, this filter is ready to go right out of the box. If you’re planning to utilize the soft bottle provided by LifeStraw or another compatible bottle, simply remove the filter from the box, attach the compact filter to the desired bottle via a screw top, and scoop water directly from the stream before squirting it into your mouth.


Ultralight missions that took us through parts of Zion National Park and the Eastern Sierra Nevada were great testing grounds for this setup. Shallow water sources were no longer an issue, as we could simply choose which filtration method worked best on the fly, and the straightforward setup of either method didn’t come close to slowing us down on the trails.

LifeStraw Peak Squeeze backpacking water filter - steve mace demonstrates the straightforward setup of the lifestraw...
Steve Mace demonstrates the straightforward setup of the LifeStraw Peak Squeeze Water Filter System.
Credit: Trish Matheny

Ease of Filtration


Out of all the soft bottle designs that we tested, the Peak Squeeze is perhaps one of the simplest and most consistent for a microfilter of its size. While it does take more effort to suck water through the straw directly from the stream rather than to fill the collapsible bottle and then squeeze water through the filter, we love the versatility that allows us to do either.


The straw or squeeze design allows for on-the-fly decision-making during long-haul backcountry adventures. The straw method is great for when your water source is too shallow to fill the soft collapsible bottle or when ample water sources abound. And the squeeze method provides a faster and easier filtering technique. The filter can also be removed from the soft bottle, allowing one liter of water storage.

LifeStraw Peak Squeeze backpacking water filter - steve mace demonstrating one of the filtering options of the...
Steve Mace demonstrating one of the filtering options of the LifeStraw Peak Squeeze filter while adventuring in the Eastern Sierra.
Credit: Trish Matheny

Value


The versatile performance of the Peak Squeeze is worth every penny. Peace of mind is worth the small investment for a filter that won’t let you down on backcountry missions when you need it most. Multiple filtering methods, overall durability, a competitive filtering time, and a straightforward setup are just a few of the features you’ll get. Overall we were impressed by the performance of this soft collapsible bottle filter, often alleviating some of our complaints from other similar models that we’ve previously tested, all for an affordable price.

Conclusion


The LifeStraw Peak Squeeze is our top recommendation for a collapsible bottle filter. LifeStraw successfully corrected our previous complaints regarding the durability and maintenance of other collapsible soft bottle filtering systems by creating an easy-to-use and reliable filter that is the epitome of versatility. The straw or squeeze options set this filter apart from the rest while also featuring a super-fast flow rate and sleek, lightweight design.

LifeStraw Peak Squeeze backpacking water filter - the lifestraw peak squeeze is a sleek new design featuring an...
The LifeStraw Peak Squeeze is a sleek new design featuring an efficient flow rate as well as a collapsible, packable, and durable bottle for lightweight backcountry adventures.
Credit: Trish Matheny

Trish Matheny
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