Ipex 77697 6" x 6" x 4" JBX664 Scepter JBox PVC-Non Metallic Junction Box is ideally suited for indoor and outdoor use and is made to perform in the most demanding environments. Made of PVC it is extremely durable and resistant and resistant to impact in a wide range of temperatures and not adversely affected by water and chemicals. Built for corrosive environments, the Scepter JBox is entirely non-metallic, eliminating corrosion concerns with screws and other metal parts.