The Sawyer Products SP160 One-Gallon Gravity Water Filtration System is a compact and efficient water filtration system perfect for camping and hiking adventures. With a capacity of 1 gallon and a purification method using a hollow fiber membrane, this filter system provides clean and safe drinking water from any source. Made of durable plastic in a Blu/White/Clear color scheme, this gravity water filter system is lightweight at 8.8 ounces and easy to transport. Its dimensions of 5.75 x 2.75 x 13.75 inches make it a convenient and reliable option for staying hydrated on the go.