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The Rainstick is a simple membrane envelope with 30 g of our nutrient blend osmotic driver inside. It’s designed for fresh or brackish water sources. Since it comes pre-filled, this single-use filter is simple to use – just drop it in the water source and wait while it hydrates. When it’s done, it provides 355 ml of a clean, refreshing drink. Simply poke with included straw and drink.

Metal Rejection: Up to 99A%

Hydration Time at 20C:

Hydration Time at 30C:

Volume When Full: 355 ml

Filter Dimensions:

Package weight:

Product Code: RS5 (five pack) RS10 (10 pack)


5 Pack, 10 Pack


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