Available in ½–2 in. in die cast zinc and 2 ½–4 in. in zinc plated steel, Mighty-Merge® EMT to FMC/Greenfield transition couplings provide dimensional flexibility when transitioning between raceways. Design negates need for contractors to assemble multiple fittings or mount box to transition between raceways. While EMT to FMC fittings (½–2 in.) are cULus Listed, EMT/Rigid to FMC fittings (2 ½–4 in.) are cETLus Listed.