Haz Loc Flex Coupling Trade Size 1 in Flex Length 18 in Overall Length 21 3/8 in Bronze Hazardous Location Rating Class I Division 1 and 2 Groups C D Class II Division 1 and 2 Groups E F G Class III Ends - Hazardous Fittings 1 in MNPT x 1 in MNPT Thread Gender Male to Male Application Used In Areas Where Vibration and/or Movement is a Problem Natural Finish Compatible Conduit Trade Size 1 in Compatible Conduit Type IMC RMC Connection Orientation Multi-Angle