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Description

Extend the life of your Autoflow Filter.

Having flow problems? Breathe new life into your Autoflow Gravity Filter with the MSR Autoflow Replacement Cartridge. This cartridge has a life expectancy of up to 1,500 liters depending on water conditions, and it filters nearly two liters of water per minute.

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MSR Autoflow Gravity Filter Replacement Cartridge

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Here's what others have to say...

Used the Miniworks EX Microfilter a total...

Jim Collar

Member since 
Posted on

Used the Miniworks EX Microfilter a total of three times. The last time was around a year ago. Now when I try to use it no water is being filtered through. Looks clean and not worn to the level of replacement. How do I get water to go through the filter again?

Karl G.

Member since 
Responded on

Try back flushing a ditilled gallon or so through it. If it doesn't work after that, it's replacement time. Good luck.

jim2365549

Member since 
Responded on

Are you getting resistance or not? If not, you likely need to replace gaskets or lube some things to get a positive seal again. If you are getting too much resistance, call their customer service dept. They can talk you through it.

Unanswered Question

I used this filter last summer and didn't...

Jim Heckel

Member since 
Posted on

I used this filter last summer and didn't put it away according to the directions. (I didn't disinfect it) Can I run water with bleach through it and reuse it or do I need to purchase a new one?

I used this filter last summer and didn't...

Jim Heckel

Member since 
Posted on

I used this filter last summer and didn't put it away according to the directions. (I didn't disinfect it) Can I run water with bleach through it and reuse it or do I need to purchase a new one?

Phil Maher

Member since 
Responded on

No need to buy a new one. Run a 2tbsp per liter bleach mix through it on a back flush and then a couple more liters of fresh water at the regular flow direction. Good as new.

just wondering if this can be used as a...

john s campbell

Member since 
Posted on

just wondering if this can be used as a replacement for the platypus gravity flow system?

Phil Maher

Member since 
Responded on

They're both in-line gravity flow systems with the same tubing diameter, both made by Cascade Designs, both roughly the same filter for the same price, so, although I've never tried it, it stands to reason that it would work. But why not just get the Platy filter cartridge?

jim2365549

Member since 
Responded on

yes - but the new GravityWorks filter is lighter.

can i connect this to my camelbak out hose...

tstockt

Member since 
Posted on

can i connect this to my camelbak out hose and then another piece of hose with a bite piece so i can just fill the water bladder up with creek water? or use it as a hang bag to fill my nalgenes up? seems like a way cheaper way to make your own gravity filter.

Guy Geva

Member since 
Responded on

you can used it not only on MSR hose

jim2365549

Member since 
Responded on

yes

Jman

Member since 
Responded on

this my plan too...or if u have an old camel back/platy bladder that's gotten a little funky, you can use it to hold the dirty water and flow into your good bladder. I'm adding an old PUR inline carbon filter to my system as well :)

2 5

Alex

Member since 

The MSR gravity filter I used was given out as part of the cache was given for leading a volunteer trail crew. After two ten day hitches the carbon paper filter needed hours to filter any amount of water. Granted I work in New Mexico where the water is silty to say the least, however I got less than 100 gallons of water out of it. If you plan to use it in New England or someplace with clearer water I guess it is worth it, however strain it through a bandana first otherwise it's life is incredibly limited.

han3843626

Member since 
Responded on

Did you try backflushing?

david  day

Member since 
Responded on

This filter is not the best for silty/volcanic/dusty water as the fabric will tend to clog easily is such conditions. Under circumstances like you are describing you have to keep regular maintenance up quite a bit. This would mean filtering 4l and backflushing 1 of those every single time. Without constant, regular backflushing the fabric will need a massive amount of backflushing later and might even need replacement.

jim2365549

Member since 
Responded on

He wasn't referring to the Autoflow. There's no "carbon paper" - this is a hollow fiber membrane. In exceptionally dirty water, it is recommended to pre-filter the water if possible, but as David suggests, backflushing (holding the clean vessel above the Dirty Collection bag to reverse flow) takes only about four seconds and should be done after each use. In fact, even if you have relatively clean water to filter, this is so easy, it's a good habit to get into and will greatly extend the life of your filter.