Conduit Outlet Box with Multiple Hubs, Explosion-Proof, Dust-Ignitionproof, Malleable Iron, Unilet, GRUJ Box with Cover. Includes: Internally Threaded Surface Cover with 3.25" Opening, (5) 3/4" Hubs (Top: 2, Bottom: 1 Sides: 2 on Each) and (4) 1" Hubs (Back). For use with Threaded Metal Conduit.
- Material: Malleable Iron
- Diameter: 3/4 in
- Diameter: 1/2 in
- Diameter: 1 in