Conduit Flexible Coupling - Haz Loc, Thread Gender Male to Male, Trade Size 1/2 in, Compatible Conduit Trade Size 1/2 in, Ends - Hazardous Fittings 1/2 in MNPT, Overall Length 5 13/32 in, Stainless Steel, Finish Plain, Hazardous Location Rating Class I, Division 1 and 2, Groups B, C, D, Class II, Division 1 and 2, Groups E, F, G, Class III, BRTB, Conduit Fitting Type Breather, Connection Orientation Straight, Fitting Type Breather, Body Style BRTB, Color Silver, Connection Type Threaded