Explosion-Proof Conduit Outlet Box

Conduit Outlet Box with Multiple Hubs, Explosion-Proof, Dust-Ignitionproof, Aluminum, Unilet, GRSS Box with Cover. Includes: Internal Ground Screw and O-Ring, Externally Threaded Surface Cover with 3.38" Opening, Internally threaded aluminum bodies with externally threaded aluminum form 1 covers. Has 13 hubs; 2 on each side, 2 each on top and bottom and 5 in the back. Furnished with 5 close-up plugs.