GRT200 Conduit Outlet Box, Type GRT, (3) 2" Hubs, Malleable

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.