Union, 2 Inch, Female/Female, Malleable Iron, Conduit to Conduit, Explosion-Proof/Dust-Ignitionproof.UNY and UNF unions are used for joining conduit and connecting conduit to enclosures. Facilitates modifications, permits removal of enclosures without turning or removal of conduit.Also known as: 781381257695, UNF200NR, APPUNF200NR