HuffPost may receive a commission from some purchases made via links on this page. Every item is independently curated by the HuffPost Shopping team. Prices and availability are subject to change. Whether you’re an avid hiker or camper, upgrading your emergency kit , or even a doomsday prepper (no judgment here), your survival depends on the gear you bring — and nothing is more critical than having access to clean drinking water. Enter the BKLES electric water purifier , a compact yet powerful