The Miniwell L630 Camping Purification Water Filter Straw is a must-have for outdoor enthusiasts. Made with high-quality materials, this compact water filter has a pore size of 0.1 microns and a filtration capacity of 2000L. Its lightweight design (40g) and fast water flow (0.6L/min) make it perfect for camping, outdoor activities, and emergency situations. Whether you're running through a fresh water source or using it as a survival tool, this green water filter is a reliable and essential tool to have on hand.