ETi 4ft. LED Vapor Tight light is manufactured of impact resistant plastic resin and designed with stainless-steel latches to prevent moisture and dirt from compromising the housing and damaging interior wires and components inside the fixture. It is extremely durable to withstand harsh conditions as its construction features a full metal fixture liner, which is placed inside of a reinforced fiberglass housing with a high impact diffuser. It the ideal replacement for outdated fluorescent strip lights with eco-friendly and superior LED technology. This fixture operates reliably in sub-zero applications down to -4°, suitable for parking garages, canopies, garden centers, car washes, airports, tunnels, and other areas where both humidity and moisture are an issue. Additionally, can be great for workshop, tool shed, or an unconditioned building. Color: White. Material: Polycarbonate.