GR Type Conduit Outlet Box, Explosion-Proof, Dust-Ignitionproof, Malleable Iron, Unilet, GRT Hub Type. Includes: Internal Ground Screw and O-Ring, Internally Threaded Surface Cover with 4.88" Opening, 76 Cubic Inches and (3) 2" Threaded Hubs. For use with Threaded Metal Conduit.
- Material: Malleable Iron
- Diameter: 2 in
- Cubic Inches: 76 in³
- Hub Diameter: 1 in
- Number of Hubs: 3