RIGID Industries 40" Adapt E-Series Lightbar - Black [280413]40" Adapt E Series Lightbar Black The RIGID Adapt E Series LED Light Bar features the same style and construction as RIGIDs legendary E Series, from the high strength aluminum heat sink to the unbreakable polycarbonate lens. On the inside, however, the Adapt E Series contains cutting edge technology. The Adapt E Series takes off road lighting performance to a whole new level with two layers of adaptive response to your vehicle and driving conditions.