Halo Cig aka ‘halo purity’ is one of the most famous and largest e-liquid companies in the US market. They gain so much popularity due to their highly clean and tasty e-juices. Halo Cigs only use finest quality ingredients that are free from poisonous components. And of course, they have a giant collection of different type quality e-juices. Among these numerous collection, Sub-Zero is one of their well-known e-liquid that is apt for summertime vaping. Sub-Zero Sub-Zero is an extremely…