Sealing Hub, 25 Percent Fill, Ends - Hazardous Fittings 3/4 In. FNPT x 1 In. MNPT, Conduit Fitting Material Malleable Iron, Conduit Orientation - Sealing Fitting Vertical, Overall Length - Fitting 2-1/4 In., Hazardous Location Rating Class I, Division 1 and 2, Groups A, B, C, D; Class II, Division 1 and 2, Groups E, F, G; Class III, Standards UL 886, CSA C22.2 No 30