This accessory for the Sunflair Solar Oven helps you pasteurize water heat. Works great with standard heating methods also. This compact tool helps you in your effort to kill all disease-causing microorganisms and purify water with heat. The WAPI is a reusable, wax-filled tube that indicates when water has reached a hot enough temperature to kill all disease-causing microorganisms ... and using it is easy.
Pair the WAPI with a solar oven and you’ve got a fantastic way to pasteurize liquid making it safe to drink.