Grote 47072 SuperNova, Sealed Turtleback II, Clearance/Marker LED Lamp Red Encapsulant potting for total circuit board protection, Hermetic lens-to-housing seal Tin-plated, solid brass terminals are sealed to housing and eliminate failure causing leak paths Meets PC function only when mounted at a 45 angle Not designed for vertical mount Cross to: Truck-Lite 21251R, Truck-Lite 21880R