The Survivor Filter Portable Water Filter Straw is a lightweight and compact water filter designed for outdoor activities such as camping and traveling. With a maximum flow rate of 200 gallons per hour and a capacity of 100,000 gallons, this filter provides clean and safe drinking water on the go. Made from cotton material, this filter straw uses ultra filtration to purify water with a TDS level of up to 1000 ppm. The green color and bottle container make it easy to transport and use in personal containers, making it a convenient and reliable option for staying hydrated in the wilderness.