The Metalux SLES socket-fit light engine is a TLED striplight that provides an affordable, energy savings solution over traditional fluorescent lighting. All Metalux SLES come with 4' TLED lamps in 3500K, 4000K, and 5000K CCT options. Designed for retrofit and new construction, the SLES uses flip-up sockets, snap-in channel connector and cover for faster installation time, while replaceable TLED lamps lower overall lifetime maintenance costs. The SLES striplight comes in 4' and 8' lengths and is Ideal for retail environments with large, open ceilings.