LifeStraw Peak Series Gravity Water Filter System with Safe Water Storage Bag - 8L + 8L Colour:Grey they may be water-based and

they may be water-based and use fluorocarbons

Featuring an adjustable central bar

While Mega Pump is designed to be used with EXPED sleeping mats

EXPED's DOWNMAT TECHNOLOGY™

Large access port makes it easy to clean and fill

LifeStraw Peak Series Gravity Water Filter System with Safe Water Storage Bag - 8L + 8L Colour:Grey they may be water-based andBoth 8L gravity and storage bags are fully leak proof systems allowing for mobility, and the safe water storage bag has a custom easy pour screw spout for fast flow and a hose attachment for added functionality and versatility. You can even remove the filter from the gravity bag and use as a straw on the go, connect to a water bottle, or use the included plug cap to stop flow and use as a second storage system. Made of high performance materials for