Crouse-Hinds 667

EMT Conduit Coupling Type Compression, Thin Wall, Threadless Trade Size 3 Inch Material Zinc Plated Steel Constructional Feature Concrete-Tight Standard Package 1 Approval UL, CUL Used On EMT Conduit Features / Benefits Thin Wall Conduit Fittings Are Used to Join EMT to a Box or Enclosure to Couple Two Ends of EMT Conduit Concrete-Tight Heavy Steel Wall