Steripen Water Bottle Pre-Filter postxmas25 Foam-stiffened brim allows the hat

Foam-stiffened brim allows the hat to float

eco-friendly gear

keeping you cool on warm trail days

lay it flat

Steripen Water Bottle Pre-Filter postxmas25 Foam-stiffened brim allows the hatA simple but effective filtration step for cleaner, safer water on the go, the SteriPen Pre Filter removes particulates through a durable 40x40 micron screen before UV purification making it especially useful for cloudy or sediment laden water where UV treatment alone is less effective. Designed for seamless integration with any SteriPen UV Water Purifier, the two step process is straightforward: pour water through the filter to fill your bottle, swap