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

Platypus GravityWorks vs MSR AutoFlow

Analysis:

The Platypus GravityWorks 4l makes for an outstanding Backpacking Water Filter at its $95 price point. The MSR AutoFlow XL, however, while a good product overall, doesn't really manage to stand out from its competition.

The Platypus GravityWorks 4l has impressed reviewers from two sources that are among the most highly trusted on the internet, namely OutdoorGearLab and 99boulders.com. It did great in their objective hands-on roundups - it earned the "Best Overall Filter for Group Use" and "Ranked 2 out of 10" awards from OutdoorGearLab and 99boulders.com, respectively. That's high praise from such reputable sources.

As for the MSR AutoFlow XL - OutdoorGearLab, a source that conducts reliable hands-on testing, has featured it in its MSR Autoflow Gravity Filter Review roundup. However, it didn't make it to any of the top spots.

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 Platypus GravityWorks 4l managed to get its highest, 10, review score from OutdoorGearLab, whereas the MSR AutoFlow XL got its best rating from OutdoorGearLab - 10.

Comparison of expert ratings
Highly Recommended
Recommended
Mentioned
Not Mentioned
OutdoorGearLab
99boulders.com
besthiking.net
Gear Patrol
The Sleep Judge
CleverHiker
watertechadvice.com
Treeline Review
stylecraze.com
expertworldtravel.com
Tech. Specs Comparison
Platypus GravityWorks 4l
$119
MSR AutoFlow XL
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
9.0
Avg. Review Score
Score
Highly recommended by trusted experts
OutdoorGearLab
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
Runner Up
in “Best Backpacking Gear of 2022 - Backpacking Water Filters” 
Last updated: 17 days ago
besthiking.net
Trusted Source
-
Depth of
analysis
No
In-house
Testing
Best Overall
in “Best Backpacking Water Filters of 2022” 
Last updated: 26 Aug 2022
The Sleep Judge
Trusted Source
Depth of
analysis
Yes
In-house
Testing
Ranked #4 out of 6
in “Best Survival Water Filter” 
Last updated: 4 Jul 2022
todayscave.com
-
Depth of
analysis
No
In-house
Testing
Best Gravity-Fed
in “Today's Cave” 
Last updated: 4 Jun 2022
OutdoorGearLab
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
Best Overall Filter for Group Use
in “The 7 Best Backpacking Water Filters of 2022” 
Last updated: 3 Nov 2022
CleverHiker
Trusted Source
Depth of
analysis
Yes
In-house
Testing
Mentioned
in “Best Backpacking Water Filters of 2022” 
Recommended by trusted experts
OutdoorGearLab
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
Rated 8.0 out of 10
in “The 7 Best Backpacking Water Filters of 2022” 
Last updated: 3 Nov 2022

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