I have always kept a pair of Sawyer Mini SP128 water filters in my first aid and travel kits. We were able to use them when we went to South America to filter o

I have always kept a pair of Sawyer Mini SP128 water filters in my first aid and travel kits. We were able to use them when we went to South America to filter out stuff in the water that could have made us sick. They’ve been proven to be more effective than the life straw portable water filters. They’re about $20-30 on Amazon.