Why We Like The Autoflow XL10L Gravity Filter
The MSR Autoflow XL 10L Gravity Filter is a larger version of MSR's ever-so-convenient gravity filter, appropriately sized for large groups of backpackers and campers, or two backpackers for a full day without refilling down by the river. This filter lets gravity do all the work for us and cleans nearly two liters of water per minute. The adapter end piece fits onto most standard water bottles and reservoirs. It's field cleanable too, so you can remove all the bacteria, protozoa, and sediment that's been filtered out and have a filter that's good as new in minutes.
Details
- Extra large gravity filter for easy cleaning of drinking water
- Filters out bacteria, protozoa, and sediment
- Quick filtration gets you 1.75-liters per minues
- Tool-less cleaning makes it easy to clean in the field
- Filters directly into most water bottles
- Item #CAS00FY
- Material
- 3-dimmensional film reservoir, RF-welded seams, 1000D flat base
- Eliminates
- bacteria (99.9999%), protozoa (99.9%), particulate
- Filter
- hollow fiber
- Pore Size
- 0.2micons
- Cartridge Life
- 1500L
- Action
- gravity
- Volume
- 10L
- Flow
- 1.75L/min
- Field Cleanable
- yes
- Dimensions
- 7 x 11 x 3in
- Claimed Weight
- 12oz
- Manufacturer Warranty
- limited 3 years
- Activity
- backpacking
Reviews
Q&A
Overall Rating
4.5 based on 60 ratings
Review Summary
Fits True To Size
Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.What do you think about this product?
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Selecting an option will reload the available reviews on the pageJuly 13, 2024
Works great
Works great. Wish it came with a second bag to fill.
Originally reviewed on a Cascade Designs brand site
May 29, 2024
Amazing and fast!
I tried this out at home before I left. 6L in 13 minutes. Which was awesome! When I really needed it to work when filtering water at a spring in the Grand Canyon, it trickled out and cost us an extra half hour. I tried backflushing. Nothing worked to make it faster. Later on the same trip it worked fast like it did when I first tested it. It's a bit of a bummer not being able to count on it to always be fast. I will still use it though. When it is working as it should it saves a ton of hand pumping time and hassle.
Originally reviewed on a Cascade Designs brand site
October 3, 2023
Perfect for thirsty groups
This is a wonderful filter to take with a group or when you anticipate needing a lot of water. It filters quickly. It’s easy to set up and use. I like being able to fill the bag and walk away as it fills our water bottles.
Originally reviewed on a Cascade Designs brand site
September 11, 2023
Very, very slow
I should have tested this filter before going on the trip, but our first night we hung the bag to get some water and it took us an hour to get it to start barely dripping out. We made sure there were no air bubbles, pushed water through on both sides to flush it, and to no avail. For the next 7 days we managed to get the fastest rate of about a liter every half hour. Luckily, I had a steriPen for a backup. Our water sources were spring fed creek and rivers here in Alaska so sediment was not the issue. Now that I'm back home I'm testing it in the kitchen and it barely works. Unfortunately this must be a faulty product, and it was my fault that I didn't test this before I left so I could have left it behind.
Originally reviewed on a Cascade Designs brand site
August 16, 2023
If doesn’t flow, loosen cap on Nalgene
If you screw the filter too tightly on the Nalgene, it won’t flow. Perfect for us! After we figured it out.
Originally reviewed on a Cascade Designs brand site
August 14, 2023
MSR does it again! Another fantastic water filter. HIGHLY RECOMMEND!
After using my consistently reliable MSR MiniWorks for about 20 years, I decided it was time to upgrade to the AutoFlow XL for our annual trip to the Boundary Waters Canoe Area Wilderness, in Minnesota on the Canadian border. With three of us to filter water for, I did not want to have to pump that much water by hand each day! I knew I could depend on MSR for a dependable water filter. The Autoflow XL was AWESOME. Scoop up 10 L dirty water and filter it into my collapsible 8 L wide-mouth collapsible canteen or 1 L Nalgene bottles. I love that it screws right onto my wide mouth bottles, and it's easy to shut-off while changing clean bottles. I'll still use my MiniWorks for solo trips, but AutoFlow XL worked fast and easy, with no pumping! The only downside was on the first day we used it, we accidentally left the hang strap attached to the tree when we packed up to leave our campsite the next morning, and didn't realize it until we made camp later that night in a different campsite. We managed to hang it up in a tree using paracord, but I'm hoping to find where to order a replacement strap. Bottom line: EXCELLENT FILTER, fast and easy to filter water, backflow to clear debris if clogged worked well, and it was simple to clean for long-term storage when I returned home. Thanks for another great product MSR!
Originally reviewed on a Cascade Designs brand site
August 3, 2023
Light, easy, great so far
So far, love this. It's simple and light. Love having a bank of water in camp and definitely loved not having to pump while chasing my 3-yo around camp. The only thing that was a little tricky was getting water from a super shallow stream into the bag w/ out another cup or something. Not a biggie though.
Originally reviewed on a Cascade Designs brand site
July 25, 2023
SOOOOOO SLOW out of the box
Shame on me for not testing this filter before I went backpacking. Luckily we had backup filters. I finally got the chance to try out my new Christmas present in July. The instructions make it sound like you just scoop water, connect the hoses and one minute later you have almost 2L of clean water. No prep, back flow, etc needed. Not the case! I did research online when I got back from my trip to see if I missed a step, nope. I'm now timing it to see how long it takes to get 1L of clean water. I think IV bags drip faster. 33 Minutes later my 1L Nalgene is full! Ugh. I've always thought MSR was a top outdoor brand but this is super disappointing. I've submitted a customer support ticket and hope they backup their product.
Originally reviewed on a Cascade Designs brand site
May 12, 2023
Best filter for the desert.
My favorite filter. Use it for marginal water sources in the desert for work (trails, wilderness stewardship) and for pleasure. Dependable, robust. With the back flow function, and a preliminary container to settle out with alum, this filter can handle the muddiest, most marginal water when you really need it deep in desert backcountry. (please keep making it!)
Originally reviewed on a Cascade Designs brand site
April 13, 2023
Love the larger dirty water
Love the larger dirty water bag over the previous version. Speed is also great for group backpacking.
Originally reviewed on a Cascade Designs brand site
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Our Gearheads Can Help
December 5, 2020
is this rated for giardia?
This product can expose you to chemicals including Styrene which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.