GR Universal Type Conduit Outlet Box, Explosion-Proof, Dust-Ignitionproof, Malleable Iron, Unilet, GRJS Hub Type. Includes: Externally Threaded Aluminum Surface Cover with 2.56" Opening, (3) Close-up Plugs and (5) 1/2" Threaded Universal Openings. For use with Threaded Metal Conduit.
- Material: Malleable Iron
- Diameter: 1/2 in
- Cubic Inches: 12.500 in³