Water Bottle Pre-Filter

You should already know that one of the best way to ensure your water is safe to drink is to treat it with a , but the water has to be clear for the UV light to penetrate it and do its job. When clear water is not available, use the Water Bottle Pre-Filter by SteriPEN. The Pre-Filter takes out particulates and debris, and fits on Nalgene & Camelbak wide-mouth water bottles.