Static electricity buildup on webs in the atmosphere of flammable vapors, such as in coating and printing operations, presents a risk of electrostatic discharge that can cause fires. HL-Type Virtual ACâ„¢ Static Neutralizers provide long-range static neutralization in these environments. 8001HL neutralizing bars and power supplies are approved for use in Class I, Division 1 and 2, and Group D areas.Ion Industrial, Windsor Locks, CT.