Water filters for Puerto Rico by ![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png)
blimix - some background here. I had not heard of Sawyer filters before, which seem to amount to "LifeStraw, but better".
blimix - some background here. I had not heard of Sawyer filters before, which seem to amount to "LifeStraw, but better".