Conduit Outlet Box, Explosion-Proof, Dust-Ignitionproof, Malleable Iron, GUAM Hub Type. Includes: Internal Ground Screw and O-Ring, Internally Threaded Surface Cover with 3 Inch Opening and (3) 3/4 Inch Threaded Hubs. For Use With Threaded Metal Conduit.
- Diameter: 3/4 in
- Material: Aluminum
- Material: Iron Alloy
- Material: Aluminum