Steripen Water Bottle Pre-Filter postxmas25 The top opening zipper comes

The top opening zipper comes right down the sides so it's super easy to get to anything down the bottom

eco-friendly gear

41% polyester

the Polartec Wind Pro ear panels facilitating hearing better

purposeful

Steripen Water Bottle Pre-Filter postxmas25 The top opening zipper comesA 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