Water Bottle Cap with Integrated Deep UV Light Receives International Certification Confirming Efficacy at the Highest Standards MIAMI, June 25, 2021 /PRNewswire/ -- After an extensive testing process, CrazyCap has been certified by NSF International, making it the first UV water bottle to receive the NSF/ANSI 55 certification for ultraviolet water treatment systems.   CrazyCap was NSF 55 certified through rigorous testing by the water safety industry experts at NSF International. This certification proves that the U...