[Amazon.com](http://www.passwird.com/links/uq2inp) has a LifeStraw Family 1.0 Water Purifier for **$41.98** with free shipping on orders over $49.

* Clean drinking water for a family of four for 3 years
* Purifies 18,000 liters/4755 gallons without iodine, chlorine, or other chemicals