This is the MSR MiniWorks EX Microfilter, a reliable and durable solution for clean water filtration in the great outdoors. Its ceramic and carbon filter technology ensures the removal of bacteria, protozoa, and particulate, providing safe drinking water for up to 2000 liters. This water filter is designed for portability and convenience, making it a must-have for camping and hiking trips. Its black color and sturdy build match well with any outdoor gear. Don't let water conditions affect your next adventure, use the MSR MiniWorks EX Microfilter for clean and refreshing hydration.