6L Gravity Water Filter System 4 Stage Camping Emergency Purifier6L Gravity Water Filter System 4 Stage Camping Emergency Purifier Clean water is important when you are outdoors or in emergencies. This gravity water filter helps you get safe drinking water easily. It holds up to 6 liters for group use. The filter removes dirt and improves taste. You can use it in rivers, lakes, or streams. It is simple to set up and carry anywhere. This makes it a reliable choice for camping and survival needs. Features: 6L Large