SteriPen - FitsAll Filter

Its unique design, featuring the filter cup and funnel fit offers flexibilty to filter water into bottles with a wide range of mouth sizes, including narrow-mouth bottles such as commercial water bottles, soft drink bottles, canteens, and SIGG bottles.

Compatible with wider mouth bottles, such as Gatorade and Nalgene, only the cup is necessary.

• removes particulates
• filter screen is 40 microns