EMT. Columbia-MBF™ EMT and EMT Elbows, includes specialty Kwik-Fit®, Kwik-Fit® Compression, and True Color™ EMT and EMT elbows with E-Z Pull® interior finish for easier wire pulling and an exterior galvanizing process proven to last. Columbia-MBF™’s Kwik-Fit® EMT has an integral steel setscrew coupling and the Kwik-Fit® Compression EMT features built-in steel compression coupling. These innovative built-in couplings significantly reduce installation time up to 50%*, and eliminate the need to purchase, store, and install separate couplings. Columbia-MBF™’s True Color™ EMT provides instant identification of individual power, data com, and emergency electrical systems. The 8 bright colors eliminate the need to spray, powder coat or tape in the field so installation is quicker, easier and safer.