Hubbell Killark Duraloy 3/4″ GREY IRON FITTING 2FS-2M / 2FS-2MWW Hubbell / Killark - Duraloy. Grey cast iron. Tapered threads (NPT with integral bushings). For use with threaded iron or aluminum rigid or IMC conduit. Material: Iron. Color: Gray. Standard: UL, CSA. New in box. byJuly 4, 2026