We have 4 of these this week left over from an extruder repair and replacement in Illinois. Won’t last long. They are for real brand new in original box from grainger so we paid a fortune and liquidating our leftovers. The Genuine GRSS-2 Killark Explosion Proof 3/4 Outlet Box is a high-quality outlet body made of durable cast aluminum. With a sleek silver color and a 4-inch diameter, this outlet box is designed by Killark, a trusted brand known for their reliable electrical equipment and supplies. The GRSS-2 model is specifically designed for industrial applications, providing an explosion-proof solution for ensuring safety and efficiency in various electrical setups. It comes with the original box and plugs, making it a convenient and practical choice for businesses and professionals in need of a dependable outlet box.