Update your semi with enhanced visibility for a number of situations, with the OTR 15 Series 1-1/4" x 2-1/2" Rectangular Sealed Utility Light with Expertise Built In. Thanks to its sealed body and durable design, this replacement light is the ideal choice for wet, humid, and corrosive environments. Built with a clear lens for maximum brightness and a wide area of illumination. FleetPride is your First Click in Heavy Duty.