The Germicidal Door Barrier is a 36" long unit designed to provide a full coverage germicidal UV to standard door openings. Larger door openings can be addressed by connecting 2 or more of the 36" fixture. The fixture confines sterilizing UV into a flat beam by way of adjustable louvers and the beam can be set to cover the entire opening or it be adjusted to cover a certain length of the width of the opening. Units are single lamp only and the lamp provided is rated for 7,500 hours. Electrical options include 118/60, 220/50 and 277/60. Units are provided with an 8' cord with plug and pull chain switch; the unit can also be hardwired to operate from a wall switch.