Haz Loc Flex Coupling Trade Size 2 1/2 in Flex Length 27 in Overall Length 35 in Stainless Steel Hazardous Location Rating Class I Division 1 and 2 Groups D Class II Division 1 and 2 Groups E F G Class III Ends - Hazardous Fittings 2 1/2 in MNPT x 2 1/2 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 2 1/2 in Compatible Conduit Type IMC RMC