Lifesaver Bottle Replacement Pre-Filter Disk Package of 2
Additionally, the sponge pre-filter can be used to scavenge water from leaves, grass, and shallow puddles in the event that a ready source of water is not available-a big plus in a survival situation.
- Compatible with either the 4000 and 6000 model filtration bottles.
- Manufacturer recommends replacing the pre-filter after six months of regular use.
- Quantity of 2 sponges
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