The MSR Trail Base Water Filter Kit is a gravity-powered water filtration kit with modular components for versatility.
Katadyn BeFree Review: The Light and Fast Water Bottle Filter (First Looks)
This Katadyn BeFree Review features a video discussing the highlights of this water bottle filter technology that’s both ultralight and fast.
Platypus GravityWorks Filter Review – 4.0L Water Filtration System
This Platypus Gravity Works filter review focuses on the key strength of the system: high treatment capacity for relative ease.