Conduit Outlet Box with Multiple Hubs, Explosion-Proof, Dust-Ignitionproof, Malleable Iron, Unilet, GRSS Box with Cover. Includes: Internal Ground Screw and O-Ring, Externally Threaded Surface Cover with 3.38" Opening, (4) 1" Pipe Plugs and (7) 1" Hubs (Top: 1, Bottom: 1 Side: 4 and Back: 1). For use with Threaded Metal Conduit.
- Material: Malleable Iron
- Diameter: 1 in