GR Universal Type Conduit Outlet Box, Explosion-Proof, Dust-Ignitionproof, Aluminum, Unilet, GRJS Hub Type. Includes: Internal Ground Screw and O-Ring, Externally Threaded Aluminum Surface Cover with 3.38" Opening, (3) Close-up Plugs and (5) 1" Threaded Hubs. For use with Threaded Metal Conduit.
- Diameter: 1 in
- Material: Aluminum
- Material: Aluminum