The most common question we hear when it comes to getting ready for emergencies: Do I need a filter or a purifier, and what's the difference anyway? The simplest explanation is that LifeStraw water filters remove 99.999999% of bacteria, 99.999% of parasites, and 99.999% microplastics from water. Purifiers go one step beyond, removing all those contaminants AND 99.99% of viruses. So which is right for you? Tap the link in our bio to read our guide to choosing the right safe water solution and getting prepared.