LifeStraw Peak Gravity Water Filter System – 3L Lightweight, High-Flow Filtration for Camping and Hiking

(8 customer reviews)

Original price was: $65.95.Current price is: $65.00.

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Product details

Description

Features

  • Fill the water storage bag with unfiltered water, hang it up, and let gravity naturally filter clean drinking water without effort.
  • Bag can double as a large squeeze bottle or a sealed water storage container using the included leakproof cap.
  • Filter unit can be used independently as a straw or attached to a standard water bottle (sold separately).
  • LifeStraw filter delivers a flow rate of up to 3 liters per minute for efficient water purification.
  • 0.2-micron membrane removes 99.999999% of bacteria (including salmonella, cholera, and E. coli), 99.999% of parasites, and 99.999% of microplastics.
  • Effectively eliminates silt, sand, and turbidity particles larger than 0.2 micron.
  • Microfilter membrane provides up to 1,000 gallons (4,000 liters) of clean water before replacement is needed.
  • Includes a custom backwash accessory to maintain strong water flow and extend filter life.
  • Exceeds U.S. EPA and NSF P231 standards for removal of bacteria and parasites.
  • Every LifeStraw purchase provides a child in need with safe water for a full school year.
  • Imported.

Technical Specs

Best UseCamping, Backpacking
Filter TypeGravity
Filter MediumHollow-core membrane microfilter
Removes/DestroysProtozoa and Bacteria
Output101 fl. oz. per 60 seconds
Housing MaterialThermoplastic polyurethane
BPA FreeYes
Field CleanableYes
Dimensions12.48 x 7.87 x 2.36 inches
Weight8.1 ounces
SustainabilityContains recycled materials; from a Climate Neutral Certified brand

Customer Reviews

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Customer reviews

4.88
Based on 8 reviews
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LifeStraw Peak Gravity Water Filter System – 3L Lightweight, High-Flow Filtration for Camping and Hiking photo review
Jeffrey E
September 5, 2025
Exactly what I ordered and a great product
B. G
July 25, 2025
Excellent backpacker size for two people.
Dwayne
July 17, 2025
Works well. For maximum flow, you must use the hose to create vacuum or the flow is rather slow. Very durable. There are a few pieces that you've keep...More
Works well. For maximum flow, you must use the hose to create vacuum or the flow is rather slow. Very durable. There are a few pieces that you've keep together. Would be nice if the caps and filters had some sort of tether.
LifeStraw Peak Gravity Water Filter System – 3L Lightweight, High-Flow Filtration for Camping and Hiking photo review
Joseph Y
May 28, 2025
My son spent 2 months with the Maasai Tribe learning center in conjunction with Prescott College of AZ. He loved the ease of use and taste, especially...More
My son spent 2 months with the Maasai Tribe learning center in conjunction with Prescott College of AZ. He loved the ease of use and taste, especially with the travel camel bag carrier we purchased. Magnificent and necessary items.
Lucy
April 29, 2025
This replacement filter is great and works on the peak perfectly.
Matthew P
March 26, 2025
Great filter, works super well and fast. This is my second one, bought it as a backup in case I lose the other one.
Talon T
November 20, 2024
Easy to use, easy to setup. My brother and I used it for a 3 day hike up and down pikes peak (stopping at the Barr camp which has a stream) where we u...More
Easy to use, easy to setup. My brother and I used it for a 3 day hike up and down pikes peak (stopping at the Barr camp which has a stream) where we used only it for all our water.
LifeStraw Peak Gravity Water Filter System – 3L Lightweight, High-Flow Filtration for Camping and Hiking photo review
A. M
July 16, 2023
I took this as our groups primary water filter on a fishing trip to Canada. The lake we stayed at was a cedar lake and had dark reddish colored water....More
I took this as our groups primary water filter on a fishing trip to Canada. The lake we stayed at was a cedar lake and had dark reddish colored water. Our group of 4 drank safely from the filtered lake water. Although it is unlikely there were many contaminants in the lake water, we did not want to chance it and ruin our fishing trip. It easily was filled a few times a day and just hang around doing its thing! The filtered water still had a slight color tint to it but tasted great. Saved us lots of weight flying into the camp. Make sure to read the instructions on proper cleaning/storing the filter unit. Even if you don't store/clean properly the filter itself can be replaced easily. Seems like a durable piece of equipment.