... outdoor, and turns rain, lake, and river water into drinkable water immediately!Ideal for: Hiking, Fishing, Hunting, Survival, Military, ... φ7.3×26.5cm Material: Stainless steel and ABS plastic, Ceramic, Nano-metal clusters media (NMC), Activated carbon ... material, safe and environment-friendly Suit for: outdoor/portable water filter or household water filter * Escherichia coli, Staphylococcus aureus, ...