The "Rainstick" Water Filter


Available Now!

Official Patriot Gear

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.

5 Flavor Packs per order: Fruit, Orange, Lemon, Mixed Berry and Grape.

Bio Rejection: 6-log (99.9999%) bacteriological rejection

Metal Rejection: Up to 99A%

Hydration Time at 20C:

Hydration Time at 30C:

Volume When Full: 355 ml individual