The Steripen Water Bottle Pre-Filter fits on top of your Nalgene¿ and wide mouth water bottles to help filter water when you can't get it clear.  Sometimes your only water source is murky and filled with particulates and debris.  Using the Pre-Filter along with your SteriPEN you get clear, clean water in just seconds.

Features

• Fits on Nalgene and wide mouth bottles
• Use when water is filled with debris or particulates

Gender: Unisex
Season: N/A
Vendor ProductId: SP-PF
Review ProductId: 9272