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Platypus GravityWorks 4l
MSR AutoFlow XL
See Top Ranked Backpacking Water Filters

Platypus GravityWorks vs MSR AutoFlow

Analysis:

While the MSR AutoFlow XL makes for a fairly good Backpacking Water Filter for people with a $100 budget, we haven't been able to find enough data on the Platypus GravityWorks 4l to come to any reliable conclusions.

In both cases, however, you might want to look into some other options before settling on one of these.

If you nevertheless want to learn more about the MSR AutoFlow XL and Platypus GravityWorks 4l, however, here's what we know about them:

The MSR AutoFlow XL was loved by reviewers at OutdoorGearLab, a highly trusted source that performs reliable in-depth testing. It did great in its "Best Backpacking Water Filter of 2021" roundup where it was named its "Large Capacity for Groups or Basecamps", which, in itself, makes it a product worth considering.

As for the Platypus GravityWorks 4l - it was really well-received by reviewers at OutdoorGearLab, a great source that's known for conducting high-quality in-depth testing. It performed great in its "Best Backpacking Water Filter of 2021" roundup and was named its "Ranked 1 out of 23", which, on its own, makes it a product that warrants a closer look.

Sources that tested and scored both products, like OutdoorGearLab, haven't shown a preference for either in their reviews.

We also examined the available data to learn which sources liked these two Backpacking Water Filters best and found that the MSR AutoFlow XL managed to get its highest, 10, review score from OutdoorGearLab, whereas the Platypus GravityWorks 4l got its best rating from OutdoorGearLab - 10.

Comparison of expert ratings
Highly Recommended
Recommended
Mentioned
Not Mentioned
OutdoorGearLab
Switchback Travel
reviewgeek.com
The Sleep Judge
CleverHiker
Food Shark Marfa
bustle.com
Tech. Specs Comparison
Platypus GravityWorks 4l
$109
MSR AutoFlow XL
$99
Backpacking Filter Type
Gravity Bag
Gravity Bag
Capacity
135 (fluid oz)
338 (fluid oz)
Excellent expert review scores
10.0
Avg. Review Score
Score
Excellent expert review scores
9.5
Avg. Review Score
Score
Recommended by trusted experts
OutdoorGearLab
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
Best Overall
in “Best Backpacking Water Filter of 2021” 
Last updated: a month ago
Switchback Travel
Trusted Source
Depth of
analysis
Yes
In-house
Testing
Best Overall
in “Best Backpacking Water Filters of 2021” 
Last updated: 28 Apr 2021
The Sleep Judge
Trusted Source
Depth of
analysis
Yes
In-house
Testing
Ranked #4 out of 6
in “Best Survival Water Filter” 
Last updated: 9 Feb 2021
CleverHiker
Trusted Source
Depth of
analysis
Yes
In-house
Testing
Mentioned
in “10 Best Backpacking Water Filters of 2021” 
Recommended by trusted experts
OutdoorGearLab
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
Large Capacity for Groups or Basecamps
in “Best Backpacking Water Filter of 2021” 
Last updated: a month ago

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