The Bag Welded Filter Bag - 180 Micron

SKU: 198695
Manufacturer: Seachem
MPN: 3100

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The Bag is an innovative welded filter bag with a durable non-stitched seam. Unlike nylon or similar bag materials, The Bag is resistant to bleach, caustics, and acids. It will not degrade over time and will easily last several years. It has a 180 micron mesh and comes with a convenient resealable locking closure. The bags size makes it easily adaptable to almost any kind of filter.


MaterialNylon Bag
Length10 in.
Width5 in.
Internal Id

Ratings & Reviews

4 reviews

  • 3 stars
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  • 2 stars
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  • 1 star
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Quality Bag


Well made bag with mesh small enough to keep Purigen or other media contained. 4 stars out of 5 due to the fact that a zip tie is included to close the bag, however a ziplock closure would be much better.

good ....but


the bag is awesome but the zip tie breaks after couple months, maybe 4 tops. i have over 10 of these bags . bags last , ties dont, so plan on getting extra ties. its easy enough

seachem bag


The bag does a good job of keeping most of the minute purigen particles from washing out. The closure however is poor..this bag should have a ziplock bag so the open end doesn't get pinched, which does not allow the bag to lie flat in my Aqua Clear 300. It is also way too large for this also has a tendency to float and must be weighted down in the filter box.

On a warm summer's evening...


...on a train bound for nowhere, I met up with The Bag, we were both too tired too sleep. We both took turns, starting out the window at the darkness, then the boredom overtook him and he began to speak. He said son I've made a life, out of cleaning peoples tanks, knowing what to let thru by the media they chose. Now if you don't mind me saying, I can see your out of nylon bags, for a taste of your whiskey, I can give you some filtration.