Enespro® 20 cal Hover™ Series Faceshield with Hard HatEnespro 20 cal Hover Series Faceshield with Hard Hat Integrated Arc Flash Face & Head Protection The Enespro 20 cal Hover Series Faceshield with Hard Hat delivers a fully integrated arc flash face and head protection solution in a single, ready to wear system. Engineered for NFPA 70E Category 2 environments, the Hover Series combines certified 20 cal cm arc flash faceshield protection with a compatible hard hat providing a streamlined, convenient PPE