Steripen FitsAll Water Filter Pocket Sea to Summit recommends that

Sea to Summit recommends that sensitive electronic devices be ‘double bagged’ (i

Sunrise/Sunset times for over 400 locations worldwideÂ

Small/Medium: 2807 (cu

Wide mouth opening for easy cleaning or filing with ice

Steripen FitsAll Water Filter Pocket Sea to Summit recommends thatRemoving particulates before you purify your water with SteriPENs UV technology is highly recommended and makes for a much more pleasurable drinking experience. The SteriPEN FitsAll Filter effectively removes particulates from water with the use of a durable 40x40 micron screen. Its unique design, featuring the filter cup and funnel fit, offers flexibility to filter water into bottles with a wide range of mouth sizes, including narrow mouth bottles