Katadyn BeFree Gravity Upgrade Kit Convert Filter Water Purifier System Surplus Plastic Helmets Made for the Swiss military

Made for the Swiss military

the anti-aircraft badge

The roll-top closure with a secure buckle ensures your belongings stay dry and protected

The straight-leg design provides a classic look

Katadyn BeFree Gravity Upgrade Kit Convert Filter Water Purifier System Surplus Plastic Helmets Made for the Swiss militaryThe BeFree Gravity Upgrade Kit transforms your Katadyn BeFree filter into a gravity fed water purification system. This kit makes water filtration effortless by harnessing the power of gravity. Perfect for camping, hiking, or emergency preparedness, it provides a hassle free way to filter water wherever you go. Simply connect your BeFree filter, hang the system, and gravity takes care of the rest. This upgrade kit eliminates the need for squeezing or