The Sawyer Gravity System Water Filtration System is a portable and convenient solution for accessing clean water on the go. With its one gallon capacity, this filtration system is perfect for outdoor activities like camping and hiking, where access to safe drinking water may be limited. The Sawyer brand is known for producing high-quality water filtration systems, and the blue color adds a touch of style to the design. Ideal for staying hydrated in remote environments, this Gravity System is a reliable choice for those looking to ensure their water supply is safe and clean.